./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/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_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037e795cce503850d2c4452c45fcb076e5748c33e58ba9a275ca2db56216e774 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:07:12,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:07:12,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 11:07:12,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:07:12,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:07:12,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:07:12,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:07:12,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:07:12,801 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:07:12,801 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:07:12,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:07:12,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:07:12,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:07:12,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:07:12,802 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:07:12,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:07:12,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:07:12,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:07:12,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:07:12,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:07:12,803 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:07:12,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:07:12,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:07:12,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:07:12,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:07:12,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:07:12,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:07:12,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:07:12,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:07:12,805 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_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1 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 [2024-12-02 11:07:12,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:07:13,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:07:13,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:07:13,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:07:13,008 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:07:13,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-12-02 11:07:15,592 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/data/275620147/9123cdef98814e139446dc2634978e41/FLAGba02b9f52 [2024-12-02 11:07:16,069 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:07:16,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-12-02 11:07:16,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/data/275620147/9123cdef98814e139446dc2634978e41/FLAGba02b9f52 [2024-12-02 11:07:16,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/data/275620147/9123cdef98814e139446dc2634978e41 [2024-12-02 11:07:16,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:07:16,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:07:16,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:07:16,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:07:16,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:07:16,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:16" (1/1) ... [2024-12-02 11:07:16,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a6aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:16, skipping insertion in model container [2024-12-02 11:07:16,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:07:16" (1/1) ... [2024-12-02 11:07:16,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:07:17,727 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_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/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] [2024-12-02 11:07:17,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:07:17,968 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:07:18,268 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_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/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] [2024-12-02 11:07:18,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:07:18,417 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:07:18,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18 WrapperNode [2024-12-02 11:07:18,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:07:18,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:07:18,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:07:18,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:07:18,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:18,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:18,749 INFO L138 Inliner]: procedures = 308, calls = 4884, calls flagged for inlining = 114, calls inlined = 104, statements flattened = 8936 [2024-12-02 11:07:18,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:07:18,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:07:18,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:07:18,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:07:18,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:18,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:18,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:19,826 INFO L175 MemorySlicer]: Split 4014 memory accesses to 23 slices as follows [2, 35, 3, 28, 19, 2, 1, 1, 6, 2, 51, 119, 67, 2, 43, 1, 3, 3572, 1, 2, 8, 2, 44]. 89 percent of accesses are in the largest equivalence class. The 2128 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 6, 0, 48, 63, 63, 0, 0, 0, 3, 1937, 0, 0, 6, 0, 0]. The 587 writes are split as follows [0, 1, 1, 28, 0, 1, 0, 0, 0, 1, 3, 10, 2, 2, 0, 1, 0, 489, 1, 1, 2, 0, 44]. [2024-12-02 11:07:19,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:19,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:07:20,201 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:07:20,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:07:20,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:07:20,202 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (1/1) ... [2024-12-02 11:07:20,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:07:20,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:07:20,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:07:20,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:07:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_origin [2024-12-02 11:07:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_origin [2024-12-02 11:07:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure con_copy_unimap [2024-12-02 11:07:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure con_copy_unimap [2024-12-02 11:07:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_exit [2024-12-02 11:07:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_exit [2024-12-02 11:07:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure con_is_bound [2024-12-02 11:07:20,261 INFO L138 BoogieDeclarations]: Found implementation of procedure con_is_bound [2024-12-02 11:07:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove [2024-12-02 11:07:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_display [2024-12-02 11:07:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_display [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure do_fbcon_takeover [2024-12-02 11:07:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fbcon_takeover [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 11:07:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-12-02 11:07:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 11:07:20,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 11:07:20,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 11:07:20,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 11:07:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 11:07:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 11:07:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 11:07:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_release_oldinfo [2024-12-02 11:07:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_release_oldinfo [2024-12-02 11:07:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memcpyw [2024-12-02 11:07:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memcpyw [2024-12-02 11:07:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_cursor [2024-12-02 11:07:20,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_cursor [2024-12-02 11:07:20,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_default_font [2024-12-02 11:07:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_default_font [2024-12-02 11:07:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-12-02 11:07:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-12-02 11:07:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_putcs [2024-12-02 11:07:20,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_putcs [2024-12-02 11:07:20,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_color [2024-12-02 11:07:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure get_color [2024-12-02 11:07:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure scr_memsetw [2024-12-02 11:07:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure scr_memsetw [2024-12-02 11:07:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 11:07:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 11:07:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_con_driver [2024-12-02 11:07:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_con_driver [2024-12-02 11:07:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 11:07:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 11:07:20,268 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_get_font [2024-12-02 11:07:20,268 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_get_font [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure real_y [2024-12-02 11:07:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure real_y [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_update_softback [2024-12-02 11:07:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_update_softback [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-12-02 11:07:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-12-02 11:07:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-12-02 11:07:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 11:07:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 11:07:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 11:07:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-12-02 11:07:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-12-02 11:07:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure update_region [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure update_region [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure fb_flashcursor [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_flashcursor [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure find_font [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure find_font [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_scrolldelta [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_scrolldelta [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_disp [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_disp [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2024-12-02 11:07:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 11:07:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-12-02 11:07:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear_margins [2024-12-02 11:07:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear_margins [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 11:07:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure display_to_var [2024-12-02 11:07:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure display_to_var [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 11:07:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-12-02 11:07:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 11:07:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 11:07:20,277 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 [2024-12-02 11:07:20,277 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 [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2024-12-02 11:07:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 11:07:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-12-02 11:07:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-12-02 11:07:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_enter [2024-12-02 11:07:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_enter [2024-12-02 11:07:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_del_cursor_timer [2024-12-02 11:07:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_del_cursor_timer [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_move [2024-12-02 11:07:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_move [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-12-02 11:07:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 11:07:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 11:07:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_is_inactive [2024-12-02 11:07:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_is_inactive [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_clear [2024-12-02 11:07:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_clear [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_add_cursor_timer [2024-12-02 11:07:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_add_cursor_timer [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:07:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:07:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 11:07:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 11:07:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2024-12-02 11:07:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:07:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-12-02 11:07:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-12-02 11:07:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure set_blitting_type [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure set_blitting_type [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_bmove_rec [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_bmove_rec [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_palette [2024-12-02 11:07:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_palette [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 11:07:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_con2fb_map [2024-12-02 11:07:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure set_con2fb_map [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_debug_leave [2024-12-02 11:07:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_debug_leave [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure console_conditional_schedule [2024-12-02 11:07:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure console_conditional_schedule [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_copy_font [2024-12-02 11:07:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_copy_font [2024-12-02 11:07:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_do_set_font [2024-12-02 11:07:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_do_set_font [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-12-02 11:07:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure con2fb_acquire_newinfo [2024-12-02 11:07:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure con2fb_acquire_newinfo [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-12-02 11:07:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2024-12-02 11:07:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_prepare_logo [2024-12-02 11:07:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_prepare_logo [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 11:07:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw_blit [2024-12-02 11:07:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw_blit [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2024-12-02 11:07:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2024-12-02 11:07:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2024-12-02 11:07:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_modechanged [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_modechanged [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_invert_region [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_invert_region [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_set_all_vcs [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_set_all_vcs [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_redraw [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_redraw [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure updatescrollmode [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure updatescrollmode [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure fbcon_switch [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fbcon_switch [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-12-02 11:07:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure redraw_screen [2024-12-02 11:07:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure redraw_screen [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure search_fb_in_map [2024-12-02 11:07:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure search_fb_in_map [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure con_set_default_unimap [2024-12-02 11:07:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure con_set_default_unimap [2024-12-02 11:07:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2024-12-02 11:07:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2024-12-02 11:07:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:07:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:07:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-12-02 11:07:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-12-02 11:07:21,176 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:07:21,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:07:26,435 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 11:08:09,344 INFO L? ?]: Removed 2923 outVars from TransFormulas that were not future-live. [2024-12-02 11:08:09,344 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:08:09,383 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:08:09,383 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:08:09,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:09 BoogieIcfgContainer [2024-12-02 11:08:09,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:08:09,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:08:09,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:08:09,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:08:09,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:07:16" (1/3) ... [2024-12-02 11:08:09,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9d0a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:08:09, skipping insertion in model container [2024-12-02 11:08:09,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:07:18" (2/3) ... [2024-12-02 11:08:09,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9d0a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:08:09, skipping insertion in model container [2024-12-02 11:08:09,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:08:09" (3/3) ... [2024-12-02 11:08:09,393 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--console--fbcon.ko-entry_point.cil.out.i [2024-12-02 11:08:09,403 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:08:09,406 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. [2024-12-02 11:08:09,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:08:09,488 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;@4d20d0cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:08:09,488 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:08:09,496 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) [2024-12-02 11:08:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-12-02 11:08:09,530 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:09,531 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] [2024-12-02 11:08:09,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:09,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:09,535 INFO L85 PathProgramCache]: Analyzing trace with hash -684030552, now seen corresponding path program 1 times [2024-12-02 11:08:09,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:09,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896698020] [2024-12-02 11:08:09,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:09,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 5406 trivial. 0 not checked. [2024-12-02 11:08:12,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:12,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896698020] [2024-12-02 11:08:12,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896698020] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:12,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650382361] [2024-12-02 11:08:12,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:12,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:12,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:12,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:12,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:08:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:15,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 8423 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:08:15,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 5378 trivial. 0 not checked. [2024-12-02 11:08:15,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:15,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650382361] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:15,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:15,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:08:15,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686149598] [2024-12-02 11:08:15,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:15,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:08:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:15,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:08:15,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:08:15,168 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) [2024-12-02 11:08:15,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:15,308 INFO L93 Difference]: Finished difference Result 4689 states and 7141 transitions. [2024-12-02 11:08:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:08:15,310 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 [2024-12-02 11:08:15,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:15,334 INFO L225 Difference]: With dead ends: 4689 [2024-12-02 11:08:15,334 INFO L226 Difference]: Without dead ends: 2335 [2024-12-02 11:08:15,346 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 [2024-12-02 11:08:15,348 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 [2024-12-02 11:08:15,349 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] [2024-12-02 11:08:15,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2335 states. [2024-12-02 11:08:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2335 to 2335. [2024-12-02 11:08:15,503 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) [2024-12-02 11:08:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 2335 states and 3475 transitions. [2024-12-02 11:08:15,530 INFO L78 Accepts]: Start accepts. Automaton has 2335 states and 3475 transitions. Word has length 539 [2024-12-02 11:08:15,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:15,533 INFO L471 AbstractCegarLoop]: Abstraction has 2335 states and 3475 transitions. [2024-12-02 11:08:15,533 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) [2024-12-02 11:08:15,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 3475 transitions. [2024-12-02 11:08:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-12-02 11:08:15,555 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:15,556 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] [2024-12-02 11:08:15,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-12-02 11:08:15,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:08:15,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:15,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:15,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1876358040, now seen corresponding path program 1 times [2024-12-02 11:08:15,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:15,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480554580] [2024-12-02 11:08:15,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:15,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:18,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:18,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480554580] [2024-12-02 11:08:18,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480554580] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:18,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:08:18,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:08:18,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722726660] [2024-12-02 11:08:18,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:18,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:18,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:18,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:18,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:08:18,214 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) [2024-12-02 11:08:22,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:08:22,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:22,680 INFO L93 Difference]: Finished difference Result 6731 states and 10035 transitions. [2024-12-02 11:08:22,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:22,681 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 [2024-12-02 11:08:22,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:22,719 INFO L225 Difference]: With dead ends: 6731 [2024-12-02 11:08:22,719 INFO L226 Difference]: Without dead ends: 4493 [2024-12-02 11:08:22,732 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 [2024-12-02 11:08:22,733 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, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:08:22,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 6882 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 11:08:22,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4493 states. [2024-12-02 11:08:22,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4493 to 4490. [2024-12-02 11:08:22,924 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) [2024-12-02 11:08:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6694 transitions. [2024-12-02 11:08:22,963 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6694 transitions. Word has length 539 [2024-12-02 11:08:22,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:22,965 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6694 transitions. [2024-12-02 11:08:22,965 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) [2024-12-02 11:08:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6694 transitions. [2024-12-02 11:08:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2024-12-02 11:08:22,984 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:22,984 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] [2024-12-02 11:08:22,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:08:22,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:22,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:22,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1497930969, now seen corresponding path program 1 times [2024-12-02 11:08:22,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:22,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505693842] [2024-12-02 11:08:22,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:22,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:25,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:25,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505693842] [2024-12-02 11:08:25,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505693842] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:25,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:08:25,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:08:25,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696694723] [2024-12-02 11:08:25,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:25,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:25,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:25,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:25,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:08:25,271 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) [2024-12-02 11:08:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:25,441 INFO L93 Difference]: Finished difference Result 8885 states and 13252 transitions. [2024-12-02 11:08:25,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:25,441 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 [2024-12-02 11:08:25,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:25,473 INFO L225 Difference]: With dead ends: 8885 [2024-12-02 11:08:25,473 INFO L226 Difference]: Without dead ends: 4492 [2024-12-02 11:08:25,492 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 [2024-12-02 11:08:25,493 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 [2024-12-02 11:08:25,493 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] [2024-12-02 11:08:25,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4492 states. [2024-12-02 11:08:25,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4492 to 4491. [2024-12-02 11:08:25,674 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) [2024-12-02 11:08:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 4491 states and 6695 transitions. [2024-12-02 11:08:25,701 INFO L78 Accepts]: Start accepts. Automaton has 4491 states and 6695 transitions. Word has length 556 [2024-12-02 11:08:25,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:25,702 INFO L471 AbstractCegarLoop]: Abstraction has 4491 states and 6695 transitions. [2024-12-02 11:08:25,702 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) [2024-12-02 11:08:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 4491 states and 6695 transitions. [2024-12-02 11:08:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-12-02 11:08:25,715 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:25,716 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] [2024-12-02 11:08:25,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:08:25,716 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:25,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:25,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2074655101, now seen corresponding path program 1 times [2024-12-02 11:08:25,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:25,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213935843] [2024-12-02 11:08:25,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:25,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:27,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:27,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:27,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213935843] [2024-12-02 11:08:27,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213935843] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:27,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189312046] [2024-12-02 11:08:27,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:27,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:27,848 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:27,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:08:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:30,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 8410 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:08:30,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-12-02 11:08:33,188 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:33,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189312046] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:33,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:33,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 11:08:33,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482134481] [2024-12-02 11:08:33,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:33,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:33,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:33,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:33,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:33,189 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) [2024-12-02 11:08:33,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:33,288 INFO L93 Difference]: Finished difference Result 4493 states and 6696 transitions. [2024-12-02 11:08:33,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:33,289 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 [2024-12-02 11:08:33,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:33,317 INFO L225 Difference]: With dead ends: 4493 [2024-12-02 11:08:33,318 INFO L226 Difference]: Without dead ends: 4490 [2024-12-02 11:08:33,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:33,321 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 [2024-12-02 11:08:33,321 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] [2024-12-02 11:08:33,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4490 states. [2024-12-02 11:08:33,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4490 to 4490. [2024-12-02 11:08:33,475 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) [2024-12-02 11:08:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4490 states to 4490 states and 6693 transitions. [2024-12-02 11:08:33,495 INFO L78 Accepts]: Start accepts. Automaton has 4490 states and 6693 transitions. Word has length 558 [2024-12-02 11:08:33,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:33,496 INFO L471 AbstractCegarLoop]: Abstraction has 4490 states and 6693 transitions. [2024-12-02 11:08:33,496 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) [2024-12-02 11:08:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4490 states and 6693 transitions. [2024-12-02 11:08:33,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2024-12-02 11:08:33,508 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:33,508 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] [2024-12-02 11:08:33,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:08:33,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:33,709 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:33,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:33,709 INFO L85 PathProgramCache]: Analyzing trace with hash 109693681, now seen corresponding path program 1 times [2024-12-02 11:08:33,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:33,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324767033] [2024-12-02 11:08:33,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:33,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:35,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:35,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324767033] [2024-12-02 11:08:35,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324767033] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:35,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913399094] [2024-12-02 11:08:35,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:35,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:35,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:35,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:35,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:08:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:38,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 8412 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:08:38,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:41,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-12-02 11:08:41,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:41,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913399094] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:41,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:41,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 11:08:41,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652950440] [2024-12-02 11:08:41,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:41,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:41,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:41,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:41,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:41,241 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) [2024-12-02 11:08:41,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:41,309 INFO L93 Difference]: Finished difference Result 4492 states and 6694 transitions. [2024-12-02 11:08:41,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:41,309 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 [2024-12-02 11:08:41,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:41,327 INFO L225 Difference]: With dead ends: 4492 [2024-12-02 11:08:41,327 INFO L226 Difference]: Without dead ends: 4489 [2024-12-02 11:08:41,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:41,330 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 [2024-12-02 11:08:41,330 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] [2024-12-02 11:08:41,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states. [2024-12-02 11:08:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4489. [2024-12-02 11:08:41,433 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) [2024-12-02 11:08:41,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 6691 transitions. [2024-12-02 11:08:41,447 INFO L78 Accepts]: Start accepts. Automaton has 4489 states and 6691 transitions. Word has length 559 [2024-12-02 11:08:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:41,448 INFO L471 AbstractCegarLoop]: Abstraction has 4489 states and 6691 transitions. [2024-12-02 11:08:41,449 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) [2024-12-02 11:08:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4489 states and 6691 transitions. [2024-12-02 11:08:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2024-12-02 11:08:41,457 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:41,457 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] [2024-12-02 11:08:41,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:08:41,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:41,658 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:41,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:41,658 INFO L85 PathProgramCache]: Analyzing trace with hash -894965946, now seen corresponding path program 1 times [2024-12-02 11:08:41,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:41,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676218862] [2024-12-02 11:08:41,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:41,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:43,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:43,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676218862] [2024-12-02 11:08:43,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676218862] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:43,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105273274] [2024-12-02 11:08:43,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:43,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:43,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:43,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:43,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:08:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:46,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 8414 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:08:46,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:48,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-12-02 11:08:48,676 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:48,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105273274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:48,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:48,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 11:08:48,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257930173] [2024-12-02 11:08:48,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:48,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:48,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:48,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:48,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:48,679 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) [2024-12-02 11:08:48,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:48,770 INFO L93 Difference]: Finished difference Result 8862 states and 13226 transitions. [2024-12-02 11:08:48,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:48,771 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 [2024-12-02 11:08:48,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:48,792 INFO L225 Difference]: With dead ends: 8862 [2024-12-02 11:08:48,792 INFO L226 Difference]: Without dead ends: 4470 [2024-12-02 11:08:48,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:48,806 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 [2024-12-02 11:08:48,806 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] [2024-12-02 11:08:48,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4470 states. [2024-12-02 11:08:48,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4470 to 4466. [2024-12-02 11:08:48,980 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) [2024-12-02 11:08:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4466 states to 4466 states and 6665 transitions. [2024-12-02 11:08:48,997 INFO L78 Accepts]: Start accepts. Automaton has 4466 states and 6665 transitions. Word has length 560 [2024-12-02 11:08:48,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:48,998 INFO L471 AbstractCegarLoop]: Abstraction has 4466 states and 6665 transitions. [2024-12-02 11:08:48,998 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) [2024-12-02 11:08:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4466 states and 6665 transitions. [2024-12-02 11:08:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2024-12-02 11:08:49,009 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:49,009 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] [2024-12-02 11:08:49,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-02 11:08:49,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:49,210 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:49,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:49,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1974638444, now seen corresponding path program 1 times [2024-12-02 11:08:49,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:49,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45482041] [2024-12-02 11:08:49,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:49,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:51,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:51,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45482041] [2024-12-02 11:08:51,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45482041] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:51,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873094652] [2024-12-02 11:08:51,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:51,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:51,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:51,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:51,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:08:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:54,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 8416 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:08:54,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:08:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-12-02 11:08:56,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:08:56,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873094652] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:08:56,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:08:56,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 11:08:56,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533775812] [2024-12-02 11:08:56,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:08:56,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:08:56,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:08:56,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:08:56,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:56,331 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) [2024-12-02 11:08:56,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:08:56,446 INFO L93 Difference]: Finished difference Result 4468 states and 6666 transitions. [2024-12-02 11:08:56,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:08:56,447 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 [2024-12-02 11:08:56,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:08:56,471 INFO L225 Difference]: With dead ends: 4468 [2024-12-02 11:08:56,472 INFO L226 Difference]: Without dead ends: 4465 [2024-12-02 11:08:56,475 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 561 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:08:56,475 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 [2024-12-02 11:08:56,475 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] [2024-12-02 11:08:56,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4465 states. [2024-12-02 11:08:56,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4465 to 4465. [2024-12-02 11:08:56,634 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) [2024-12-02 11:08:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6663 transitions. [2024-12-02 11:08:56,653 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6663 transitions. Word has length 561 [2024-12-02 11:08:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:08:56,654 INFO L471 AbstractCegarLoop]: Abstraction has 4465 states and 6663 transitions. [2024-12-02 11:08:56,654 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) [2024-12-02 11:08:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6663 transitions. [2024-12-02 11:08:56,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2024-12-02 11:08:56,665 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:08:56,666 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] [2024-12-02 11:08:56,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:08:56,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:56,866 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:08:56,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:08:56,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1084742647, now seen corresponding path program 1 times [2024-12-02 11:08:56,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:08:56,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140730766] [2024-12-02 11:08:56,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:56,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:08:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:08:58,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2024-12-02 11:08:58,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:08:58,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140730766] [2024-12-02 11:08:58,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140730766] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:08:58,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851065934] [2024-12-02 11:08:58,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:08:58,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:08:58,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:08:58,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:08:58,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:09:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:01,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 8418 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:09:01,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5442 trivial. 0 not checked. [2024-12-02 11:09:04,064 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:04,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851065934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:04,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:04,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-02 11:09:04,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861168466] [2024-12-02 11:09:04,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:04,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:09:04,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:04,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:09:04,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:09:04,067 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) [2024-12-02 11:09:04,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:04,167 INFO L93 Difference]: Finished difference Result 4467 states and 6664 transitions. [2024-12-02 11:09:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:09:04,167 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 [2024-12-02 11:09:04,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:04,192 INFO L225 Difference]: With dead ends: 4467 [2024-12-02 11:09:04,192 INFO L226 Difference]: Without dead ends: 4439 [2024-12-02 11:09:04,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:09:04,197 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 [2024-12-02 11:09:04,197 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] [2024-12-02 11:09:04,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4439 states. [2024-12-02 11:09:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4439 to 4439. [2024-12-02 11:09:04,373 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) [2024-12-02 11:09:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 6629 transitions. [2024-12-02 11:09:04,394 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 6629 transitions. Word has length 562 [2024-12-02 11:09:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:04,395 INFO L471 AbstractCegarLoop]: Abstraction has 4439 states and 6629 transitions. [2024-12-02 11:09:04,395 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) [2024-12-02 11:09:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 6629 transitions. [2024-12-02 11:09:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-12-02 11:09:04,408 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:04,408 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] [2024-12-02 11:09:04,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:09:04,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 11:09:04,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:04,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:04,610 INFO L85 PathProgramCache]: Analyzing trace with hash -95061127, now seen corresponding path program 1 times [2024-12-02 11:09:04,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:04,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552924131] [2024-12-02 11:09:04,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:04,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5449 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2024-12-02 11:09:06,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:06,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552924131] [2024-12-02 11:09:06,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552924131] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:06,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:06,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:09:06,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454893635] [2024-12-02 11:09:06,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:06,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:09:06,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:06,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:09:06,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:09:06,384 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) [2024-12-02 11:09:10,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 11:09:10,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:10,997 INFO L93 Difference]: Finished difference Result 11436 states and 16965 transitions. [2024-12-02 11:09:10,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:09:10,998 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 [2024-12-02 11:09:10,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:11,039 INFO L225 Difference]: With dead ends: 11436 [2024-12-02 11:09:11,040 INFO L226 Difference]: Without dead ends: 7094 [2024-12-02 11:09:11,060 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 [2024-12-02 11:09:11,061 INFO L435 NwaCegarLoop]: 3517 mSDtfsCounter, 2092 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:11,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 6730 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-12-02 11:09:11,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7094 states. [2024-12-02 11:09:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7094 to 7094. [2024-12-02 11:09:11,359 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) [2024-12-02 11:09:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7094 states to 7094 states and 10473 transitions. [2024-12-02 11:09:11,393 INFO L78 Accepts]: Start accepts. Automaton has 7094 states and 10473 transitions. Word has length 574 [2024-12-02 11:09:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:11,394 INFO L471 AbstractCegarLoop]: Abstraction has 7094 states and 10473 transitions. [2024-12-02 11:09:11,394 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) [2024-12-02 11:09:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 7094 states and 10473 transitions. [2024-12-02 11:09:11,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-12-02 11:09:11,415 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:11,415 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] [2024-12-02 11:09:11,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:09:11,415 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:11,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:11,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1980762499, now seen corresponding path program 1 times [2024-12-02 11:09:11,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:11,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301788251] [2024-12-02 11:09:11,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:11,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:13,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:13,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301788251] [2024-12-02 11:09:13,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301788251] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:13,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502329671] [2024-12-02 11:09:13,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:13,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:13,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:13,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:13,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 11:09:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:16,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 9033 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:09:16,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:17,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5685 trivial. 0 not checked. [2024-12-02 11:09:17,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:17,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502329671] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:17,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:17,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-12-02 11:09:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107902469] [2024-12-02 11:09:17,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:17,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:09:17,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:17,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:09:17,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:09:17,041 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) [2024-12-02 11:09:17,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:17,239 INFO L93 Difference]: Finished difference Result 14085 states and 21179 transitions. [2024-12-02 11:09:17,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:09:17,240 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 [2024-12-02 11:09:17,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:17,272 INFO L225 Difference]: With dead ends: 14085 [2024-12-02 11:09:17,272 INFO L226 Difference]: Without dead ends: 7098 [2024-12-02 11:09:17,296 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 [2024-12-02 11:09:17,296 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 [2024-12-02 11:09:17,296 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] [2024-12-02 11:09:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7098 states. [2024-12-02 11:09:17,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7098 to 7098. [2024-12-02 11:09:17,570 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) [2024-12-02 11:09:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7098 states to 7098 states and 10477 transitions. [2024-12-02 11:09:17,605 INFO L78 Accepts]: Start accepts. Automaton has 7098 states and 10477 transitions. Word has length 655 [2024-12-02 11:09:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:17,606 INFO L471 AbstractCegarLoop]: Abstraction has 7098 states and 10477 transitions. [2024-12-02 11:09:17,606 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) [2024-12-02 11:09:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 7098 states and 10477 transitions. [2024-12-02 11:09:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-12-02 11:09:17,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:17,628 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] [2024-12-02 11:09:17,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 11:09:17,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 11:09:17,828 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:17,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:17,829 INFO L85 PathProgramCache]: Analyzing trace with hash 609386241, now seen corresponding path program 1 times [2024-12-02 11:09:17,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:17,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794085326] [2024-12-02 11:09:17,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:19,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:19,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794085326] [2024-12-02 11:09:19,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794085326] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:19,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637047804] [2024-12-02 11:09:19,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:19,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:19,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:19,847 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:19,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 11:09:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:23,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 9039 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:09:23,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5686 trivial. 0 not checked. [2024-12-02 11:09:23,338 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:09:23,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637047804] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:23,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:09:23,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-12-02 11:09:23,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019814706] [2024-12-02 11:09:23,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:23,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:09:23,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:23,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:09:23,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:09:23,341 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) [2024-12-02 11:09:23,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:23,632 INFO L93 Difference]: Finished difference Result 14097 states and 21191 transitions. [2024-12-02 11:09:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:09:23,633 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 [2024-12-02 11:09:23,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:23,675 INFO L225 Difference]: With dead ends: 14097 [2024-12-02 11:09:23,675 INFO L226 Difference]: Without dead ends: 7106 [2024-12-02 11:09:23,705 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 [2024-12-02 11:09:23,705 INFO L435 NwaCegarLoop]: 3424 mSDtfsCounter, 1 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10266 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:23,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10266 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:09:23,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7106 states. [2024-12-02 11:09:23,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7106 to 7106. [2024-12-02 11:09:23,987 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) [2024-12-02 11:09:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7106 states to 7106 states and 10485 transitions. [2024-12-02 11:09:24,017 INFO L78 Accepts]: Start accepts. Automaton has 7106 states and 10485 transitions. Word has length 655 [2024-12-02 11:09:24,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:24,018 INFO L471 AbstractCegarLoop]: Abstraction has 7106 states and 10485 transitions. [2024-12-02 11:09:24,018 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) [2024-12-02 11:09:24,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7106 states and 10485 transitions. [2024-12-02 11:09:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2024-12-02 11:09:24,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:24,034 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] [2024-12-02 11:09:24,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 11:09:24,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 11:09:24,235 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:24,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1338706299, now seen corresponding path program 1 times [2024-12-02 11:09:24,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:24,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23944678] [2024-12-02 11:09:24,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:25,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:25,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23944678] [2024-12-02 11:09:25,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23944678] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:25,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636806763] [2024-12-02 11:09:25,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:25,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:25,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:25,963 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:25,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 11:09:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:29,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 9045 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:09:29,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 226 proven. 1 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-12-02 11:09:29,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:09:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5690 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:31,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636806763] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:09:31,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:09:31,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-12-02 11:09:31,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250371238] [2024-12-02 11:09:31,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:09:31,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:09:31,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:31,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:09:31,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:09:31,108 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) [2024-12-02 11:09:31,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:31,506 INFO L93 Difference]: Finished difference Result 14117 states and 20839 transitions. [2024-12-02 11:09:31,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:09:31,507 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 [2024-12-02 11:09:31,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:31,542 INFO L225 Difference]: With dead ends: 14117 [2024-12-02 11:09:31,542 INFO L226 Difference]: Without dead ends: 7118 [2024-12-02 11:09:31,563 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 [2024-12-02 11:09:31,564 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 [2024-12-02 11:09:31,564 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] [2024-12-02 11:09:31,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7118 states. [2024-12-02 11:09:31,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7118 to 7118. [2024-12-02 11:09:31,732 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) [2024-12-02 11:09:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7118 states to 7118 states and 10497 transitions. [2024-12-02 11:09:31,754 INFO L78 Accepts]: Start accepts. Automaton has 7118 states and 10497 transitions. Word has length 655 [2024-12-02 11:09:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:31,755 INFO L471 AbstractCegarLoop]: Abstraction has 7118 states and 10497 transitions. [2024-12-02 11:09:31,755 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) [2024-12-02 11:09:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 7118 states and 10497 transitions. [2024-12-02 11:09:31,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-12-02 11:09:31,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:31,765 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] [2024-12-02 11:09:31,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 11:09:31,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:31,966 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:31,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:31,967 INFO L85 PathProgramCache]: Analyzing trace with hash 72132849, now seen corresponding path program 2 times [2024-12-02 11:09:31,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:31,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699695176] [2024-12-02 11:09:31,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:09:31,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:33,200 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:09:33,200 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:09:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-12-02 11:09:33,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:33,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699695176] [2024-12-02 11:09:33,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699695176] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:33,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:33,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:09:33,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615384993] [2024-12-02 11:09:33,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:33,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:09:33,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:33,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:09:33,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:09:33,840 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) [2024-12-02 11:09:34,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:34,188 INFO L93 Difference]: Finished difference Result 14149 states and 21101 transitions. [2024-12-02 11:09:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:09:34,192 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 [2024-12-02 11:09:34,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:34,217 INFO L225 Difference]: With dead ends: 14149 [2024-12-02 11:09:34,217 INFO L226 Difference]: Without dead ends: 7138 [2024-12-02 11:09:34,231 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 [2024-12-02 11:09:34,232 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 [2024-12-02 11:09:34,232 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] [2024-12-02 11:09:34,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7138 states. [2024-12-02 11:09:34,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7138 to 7138. [2024-12-02 11:09:34,392 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) [2024-12-02 11:09:34,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10555 transitions. [2024-12-02 11:09:34,415 INFO L78 Accepts]: Start accepts. Automaton has 7138 states and 10555 transitions. Word has length 661 [2024-12-02 11:09:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:34,416 INFO L471 AbstractCegarLoop]: Abstraction has 7138 states and 10555 transitions. [2024-12-02 11:09:34,416 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) [2024-12-02 11:09:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 7138 states and 10555 transitions. [2024-12-02 11:09:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2024-12-02 11:09:34,427 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:34,427 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] [2024-12-02 11:09:34,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:09:34,427 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:34,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1599097546, now seen corresponding path program 1 times [2024-12-02 11:09:34,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:34,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260679103] [2024-12-02 11:09:34,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2024-12-02 11:09:35,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:35,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260679103] [2024-12-02 11:09:35,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260679103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:35,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:35,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:09:35,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037095020] [2024-12-02 11:09:35,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:35,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:09:35,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:35,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:09:35,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:09:35,931 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) [2024-12-02 11:09:36,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:36,124 INFO L93 Difference]: Finished difference Result 14173 states and 21343 transitions. [2024-12-02 11:09:36,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:09:36,125 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 [2024-12-02 11:09:36,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:36,151 INFO L225 Difference]: With dead ends: 14173 [2024-12-02 11:09:36,151 INFO L226 Difference]: Without dead ends: 7142 [2024-12-02 11:09:36,171 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 [2024-12-02 11:09:36,172 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 [2024-12-02 11:09:36,172 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] [2024-12-02 11:09:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2024-12-02 11:09:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 7142. [2024-12-02 11:09:36,335 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) [2024-12-02 11:09:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7142 states to 7142 states and 10559 transitions. [2024-12-02 11:09:36,469 INFO L78 Accepts]: Start accepts. Automaton has 7142 states and 10559 transitions. Word has length 666 [2024-12-02 11:09:36,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:36,470 INFO L471 AbstractCegarLoop]: Abstraction has 7142 states and 10559 transitions. [2024-12-02 11:09:36,470 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) [2024-12-02 11:09:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7142 states and 10559 transitions. [2024-12-02 11:09:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2024-12-02 11:09:36,479 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:36,479 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] [2024-12-02 11:09:36,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:09:36,480 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:36,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:36,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1616810893, now seen corresponding path program 1 times [2024-12-02 11:09:36,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:36,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064334039] [2024-12-02 11:09:36,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:36,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:39,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:39,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064334039] [2024-12-02 11:09:39,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064334039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:39,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090364354] [2024-12-02 11:09:39,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:39,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:39,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:39,011 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:39,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 11:09:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:42,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 9093 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:09:42,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 226 proven. 16 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-12-02 11:09:42,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:09:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5705 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:43,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090364354] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:09:43,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:09:43,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-12-02 11:09:43,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103639580] [2024-12-02 11:09:43,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:09:43,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 11:09:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:43,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 11:09:43,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:09:43,942 INFO L87 Difference]: Start difference. First operand 7142 states and 10559 transitions. Second operand has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 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) [2024-12-02 11:09:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:44,217 INFO L93 Difference]: Finished difference Result 14201 states and 21005 transitions. [2024-12-02 11:09:44,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 11:09:44,217 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 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 661 [2024-12-02 11:09:44,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:44,241 INFO L225 Difference]: With dead ends: 14201 [2024-12-02 11:09:44,241 INFO L226 Difference]: Without dead ends: 7166 [2024-12-02 11:09:44,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1327 GetRequests, 1316 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-12-02 11:09:44,255 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 13684 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17109 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:44,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17109 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:09:44,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7166 states. [2024-12-02 11:09:44,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7166 to 7166. [2024-12-02 11:09:44,521 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) [2024-12-02 11:09:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7166 states to 7166 states and 10583 transitions. [2024-12-02 11:09:44,553 INFO L78 Accepts]: Start accepts. Automaton has 7166 states and 10583 transitions. Word has length 661 [2024-12-02 11:09:44,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:44,554 INFO L471 AbstractCegarLoop]: Abstraction has 7166 states and 10583 transitions. [2024-12-02 11:09:44,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.076923076923077) internal successors, (196), 13 states have internal predecessors, (196), 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) [2024-12-02 11:09:44,554 INFO L276 IsEmpty]: Start isEmpty. Operand 7166 states and 10583 transitions. [2024-12-02 11:09:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-12-02 11:09:44,568 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:44,568 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] [2024-12-02 11:09:44,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 11:09:44,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:44,769 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:44,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:44,770 INFO L85 PathProgramCache]: Analyzing trace with hash 213232116, now seen corresponding path program 1 times [2024-12-02 11:09:44,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:44,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678636520] [2024-12-02 11:09:44,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:44,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:47,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:47,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:47,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678636520] [2024-12-02 11:09:47,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678636520] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:09:47,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908104070] [2024-12-02 11:09:47,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:47,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:47,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:09:47,392 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:09:47,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 11:09:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:09:50,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 9198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 11:09:50,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:09:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 226 proven. 100 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-12-02 11:09:50,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:09:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5789 backedges. 2 proven. 100 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:09:52,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908104070] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:09:52,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:09:52,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-12-02 11:09:52,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589522142] [2024-12-02 11:09:52,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:09:52,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-02 11:09:52,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:52,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-02 11:09:52,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-12-02 11:09:52,933 INFO L87 Difference]: Start difference. First operand 7166 states and 10583 transitions. Second operand has 25 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 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) [2024-12-02 11:09:53,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:53,337 INFO L93 Difference]: Finished difference Result 14273 states and 21089 transitions. [2024-12-02 11:09:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 11:09:53,337 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 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 678 [2024-12-02 11:09:53,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:53,367 INFO L225 Difference]: With dead ends: 14273 [2024-12-02 11:09:53,367 INFO L226 Difference]: Without dead ends: 7214 [2024-12-02 11:09:53,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1367 GetRequests, 1344 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-12-02 11:09:53,382 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 20526 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23951 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:09:53,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23951 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:09:53,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7214 states. [2024-12-02 11:09:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7214 to 7214. [2024-12-02 11:09:53,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7214 states, 5840 states have (on average 1.4440068493150684) internal successors, (8433), 5980 states have internal predecessors, (8433), 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) [2024-12-02 11:09:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7214 states to 7214 states and 10631 transitions. [2024-12-02 11:09:53,560 INFO L78 Accepts]: Start accepts. Automaton has 7214 states and 10631 transitions. Word has length 678 [2024-12-02 11:09:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:53,561 INFO L471 AbstractCegarLoop]: Abstraction has 7214 states and 10631 transitions. [2024-12-02 11:09:53,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.44) internal successors, (236), 25 states have internal predecessors, (236), 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) [2024-12-02 11:09:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 7214 states and 10631 transitions. [2024-12-02 11:09:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2024-12-02 11:09:53,571 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:53,571 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] [2024-12-02 11:09:53,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 11:09:53,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:09:53,772 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:53,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:53,772 INFO L85 PathProgramCache]: Analyzing trace with hash 268812356, now seen corresponding path program 2 times [2024-12-02 11:09:53,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:53,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187066961] [2024-12-02 11:09:53,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:09:53,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:54,931 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:09:54,932 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:09:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6170 trivial. 0 not checked. [2024-12-02 11:09:55,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:09:55,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187066961] [2024-12-02 11:09:55,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187066961] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:09:55,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:09:55,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:09:55,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105040371] [2024-12-02 11:09:55,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:09:55,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:09:55,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:09:55,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:09:55,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:09:55,639 INFO L87 Difference]: Start difference. First operand 7214 states and 10631 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) [2024-12-02 11:09:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:09:55,828 INFO L93 Difference]: Finished difference Result 14329 states and 21541 transitions. [2024-12-02 11:09:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:09:55,829 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 702 [2024-12-02 11:09:55,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:09:55,851 INFO L225 Difference]: With dead ends: 14329 [2024-12-02 11:09:55,851 INFO L226 Difference]: Without dead ends: 7222 [2024-12-02 11:09:55,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:09:55,867 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 [2024-12-02 11:09:55,867 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] [2024-12-02 11:09:55,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7222 states. [2024-12-02 11:09:56,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7222 to 7222. [2024-12-02 11:09:56,073 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) [2024-12-02 11:09:56,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7222 states to 7222 states and 10639 transitions. [2024-12-02 11:09:56,097 INFO L78 Accepts]: Start accepts. Automaton has 7222 states and 10639 transitions. Word has length 702 [2024-12-02 11:09:56,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:09:56,097 INFO L471 AbstractCegarLoop]: Abstraction has 7222 states and 10639 transitions. [2024-12-02 11:09:56,097 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) [2024-12-02 11:09:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 7222 states and 10639 transitions. [2024-12-02 11:09:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2024-12-02 11:09:56,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:09:56,110 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] [2024-12-02 11:09:56,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:09:56,110 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:09:56,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:09:56,111 INFO L85 PathProgramCache]: Analyzing trace with hash -2102926906, now seen corresponding path program 1 times [2024-12-02 11:09:56,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:09:56,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611380113] [2024-12-02 11:09:56,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:09:56,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:09:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:10:00,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:00,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611380113] [2024-12-02 11:10:00,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611380113] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:10:00,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319576508] [2024-12-02 11:10:00,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:10:00,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:10:00,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:10:00,955 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:10:00,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 11:10:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:10:04,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 9377 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 11:10:04,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:10:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 226 proven. 484 refuted. 0 times theorem prover too weak. 5463 trivial. 0 not checked. [2024-12-02 11:10:04,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:10:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6173 backedges. 2 proven. 484 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:10:09,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319576508] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:10:09,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:10:09,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2024-12-02 11:10:09,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904432035] [2024-12-02 11:10:09,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:10:09,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-12-02 11:10:09,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:10:09,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-12-02 11:10:09,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 11:10:09,249 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) [2024-12-02 11:10:09,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:10:09,857 INFO L93 Difference]: Finished difference Result 14433 states and 21273 transitions. [2024-12-02 11:10:09,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-12-02 11:10:09,857 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 [2024-12-02 11:10:09,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:10:09,883 INFO L225 Difference]: With dead ends: 14433 [2024-12-02 11:10:09,884 INFO L226 Difference]: Without dead ends: 7318 [2024-12-02 11:10:09,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1427 GetRequests, 1380 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2024-12-02 11:10:09,900 INFO L435 NwaCegarLoop]: 3425 mSDtfsCounter, 2 mSDsluCounter, 6842 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10267 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:10:09,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10267 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:10:09,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7318 states. [2024-12-02 11:10:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7318 to 7318. [2024-12-02 11:10:10,082 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) [2024-12-02 11:10:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7318 states to 7318 states and 10735 transitions. [2024-12-02 11:10:10,107 INFO L78 Accepts]: Start accepts. Automaton has 7318 states and 10735 transitions. Word has length 702 [2024-12-02 11:10:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:10:10,107 INFO L471 AbstractCegarLoop]: Abstraction has 7318 states and 10735 transitions. [2024-12-02 11:10:10,107 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) [2024-12-02 11:10:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7318 states and 10735 transitions. [2024-12-02 11:10:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2024-12-02 11:10:10,117 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:10:10,117 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] [2024-12-02 11:10:10,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 11:10:10,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 11:10:10,318 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:10:10,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:10:10,318 INFO L85 PathProgramCache]: Analyzing trace with hash -583385498, now seen corresponding path program 2 times [2024-12-02 11:10:10,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:10:10,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118492762] [2024-12-02 11:10:10,318 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:10:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:10:13,081 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:10:13,081 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:10:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7805 backedges. 2 proven. 2116 refuted. 0 times theorem prover too weak. 5687 trivial. 0 not checked. [2024-12-02 11:10:21,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:10:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118492762] [2024-12-02 11:10:21,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118492762] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:10:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504724164] [2024-12-02 11:10:21,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:10:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:10:21,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:10:21,540 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:10:21,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a30f1391-f4e6-4487-a33c-7fbb4d66ee6e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process