./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:03:35,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:03:35,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 00:03:35,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:03:35,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:03:36,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:03:36,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:03:36,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:03:36,040 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:03:36,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:03:36,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:03:36,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:03:36,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:03:36,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:03:36,044 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:03:36,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:03:36,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:03:36,045 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:03:36,045 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:03:36,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:03:36,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:03:36,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:03:36,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:03:36,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:03:36,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:03:36,049 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_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2024-11-24 00:03:36,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:03:36,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:03:36,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:03:36,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:03:36,408 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:03:36,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-24 00:03:39,789 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/data/b151e06e6/cf35a3d9c247441aaf91f987336a8234/FLAG43e368ba9 [2024-11-24 00:03:40,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:03:40,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-24 00:03:40,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/data/b151e06e6/cf35a3d9c247441aaf91f987336a8234/FLAG43e368ba9 [2024-11-24 00:03:40,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/data/b151e06e6/cf35a3d9c247441aaf91f987336a8234 [2024-11-24 00:03:40,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:03:40,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:03:40,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:03:40,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:03:40,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:03:40,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:03:40" (1/1) ... [2024-11-24 00:03:40,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74842d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:40, skipping insertion in model container [2024-11-24 00:03:40,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:03:40" (1/1) ... [2024-11-24 00:03:40,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:03:42,304 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_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-24 00:03:42,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:03:42,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:03:42,877 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_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-24 00:03:42,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:03:43,071 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:03:43,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43 WrapperNode [2024-11-24 00:03:43,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:03:43,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:03:43,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:03:43,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:03:43,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,411 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2024-11-24 00:03:43,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:03:43,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:03:43,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:03:43,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:03:43,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,467 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,682 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 5, 5, 3, 46, 4, 1, 2, 1025, 1020, 5, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 5, 5, 3, 0, 4, 0, 0, 1020, 1020, 0, 0, 0]. The 45 writes are split as follows [0, 0, 0, 0, 8, 0, 1, 1, 2, 0, 3, 15, 15]. [2024-11-24 00:03:43,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,846 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:43,984 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:03:43,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:03:43,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:03:43,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:03:43,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (1/1) ... [2024-11-24 00:03:44,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:03:44,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:03:44,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:03:44,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:03:44,084 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-11-24 00:03:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-11-24 00:03:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 00:03:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 00:03:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 00:03:44,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 00:03:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 00:03:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 00:03:44,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 00:03:44,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 00:03:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 00:03:44,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 00:03:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 00:03:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 00:03:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 00:03:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 00:03:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-24 00:03:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:03:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:03:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:03:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:03:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:03:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:03:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:03:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-11-24 00:03:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-24 00:03:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-11-24 00:03:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-11-24 00:03:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-11-24 00:03:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-11-24 00:03:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-24 00:03:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-11-24 00:03:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-11-24 00:03:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:03:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-11-24 00:03:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-24 00:03:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-24 00:03:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-24 00:03:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-24 00:03:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-24 00:03:44,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-24 00:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-11-24 00:03:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-11-24 00:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-11-24 00:03:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-11-24 00:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-24 00:03:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-24 00:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-11-24 00:03:44,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-11-24 00:03:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 00:03:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-11-24 00:03:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-24 00:03:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 00:03:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 00:03:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 00:03:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 00:03:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 00:03:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 00:03:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 00:03:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 00:03:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 00:03:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:03:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:03:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-24 00:03:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-24 00:03:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-24 00:03:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-24 00:03:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-24 00:03:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-24 00:03:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-24 00:03:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-24 00:03:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-24 00:03:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-24 00:03:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-24 00:03:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-24 00:03:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-24 00:03:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-24 00:03:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-24 00:03:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-24 00:03:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-24 00:03:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-24 00:03:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-24 00:03:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-24 00:03:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-24 00:03:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-11-24 00:03:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-11-24 00:03:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:03:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:03:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:03:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:03:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-24 00:03:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-11-24 00:03:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-11-24 00:03:44,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-24 00:03:44,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-11-24 00:03:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-24 00:03:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:03:44,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:03:44,842 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:03:44,848 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:03:51,731 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2024-11-24 00:03:51,731 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:03:51,777 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:03:51,778 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:03:51,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:51 BoogieIcfgContainer [2024-11-24 00:03:51,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:03:51,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:03:51,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:03:51,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:03:51,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:03:40" (1/3) ... [2024-11-24 00:03:51,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f926dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:03:51, skipping insertion in model container [2024-11-24 00:03:51,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:03:43" (2/3) ... [2024-11-24 00:03:51,797 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f926dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:03:51, skipping insertion in model container [2024-11-24 00:03:51,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:51" (3/3) ... [2024-11-24 00:03:51,799 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-24 00:03:51,818 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:03:51,823 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i that has 44 procedures, 671 locations, 1 initial locations, 26 loop locations, and 1 error locations. [2024-11-24 00:03:51,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:03:51,955 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;@7484830d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:03:51,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:03:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 611 states, 447 states have (on average 1.429530201342282) internal successors, (639), 463 states have internal predecessors, (639), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-24 00:03:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 00:03:51,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:51,974 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:03:51,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:51,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:51,983 INFO L85 PathProgramCache]: Analyzing trace with hash -114947798, now seen corresponding path program 1 times [2024-11-24 00:03:51,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:51,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265820628] [2024-11-24 00:03:51,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:51,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:03:53,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:53,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265820628] [2024-11-24 00:03:53,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265820628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:53,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:53,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:53,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655376485] [2024-11-24 00:03:53,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:54,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:54,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:54,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:54,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:54,034 INFO L87 Difference]: Start difference. First operand has 611 states, 447 states have (on average 1.429530201342282) internal successors, (639), 463 states have internal predecessors, (639), 131 states have call successors, (131), 31 states have call predecessors, (131), 31 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:03:54,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:54,871 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2024-11-24 00:03:54,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:54,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-24 00:03:54,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:54,892 INFO L225 Difference]: With dead ends: 1213 [2024-11-24 00:03:54,892 INFO L226 Difference]: Without dead ends: 602 [2024-11-24 00:03:54,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:54,908 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:54,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-24 00:03:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-24 00:03:55,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-11-24 00:03:55,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 442 states have (on average 1.4027149321266967) internal successors, (620), 455 states have internal predecessors, (620), 130 states have call successors, (130), 31 states have call predecessors, (130), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-24 00:03:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2024-11-24 00:03:55,098 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2024-11-24 00:03:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:55,098 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2024-11-24 00:03:55,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:03:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2024-11-24 00:03:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 00:03:55,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:55,102 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:03:55,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:03:55,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:55,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:55,104 INFO L85 PathProgramCache]: Analyzing trace with hash 730592750, now seen corresponding path program 1 times [2024-11-24 00:03:55,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:55,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415506104] [2024-11-24 00:03:55,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:55,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:03:56,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:56,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415506104] [2024-11-24 00:03:56,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415506104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:56,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:56,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:56,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133679636] [2024-11-24 00:03:56,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:56,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:56,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:56,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:56,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:56,380 INFO L87 Difference]: Start difference. First operand 602 states and 869 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:03:57,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:57,286 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2024-11-24 00:03:57,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:57,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-11-24 00:03:57,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:57,293 INFO L225 Difference]: With dead ends: 604 [2024-11-24 00:03:57,293 INFO L226 Difference]: Without dead ends: 601 [2024-11-24 00:03:57,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:57,295 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:57,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 868 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 00:03:57,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-24 00:03:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-11-24 00:03:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 442 states have (on average 1.4004524886877827) internal successors, (619), 454 states have internal predecessors, (619), 129 states have call successors, (129), 31 states have call predecessors, (129), 29 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-24 00:03:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2024-11-24 00:03:57,360 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2024-11-24 00:03:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:57,360 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2024-11-24 00:03:57,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:03:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2024-11-24 00:03:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 00:03:57,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:57,361 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:03:57,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:03:57,361 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:57,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:57,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1172550829, now seen corresponding path program 1 times [2024-11-24 00:03:57,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:57,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80213879] [2024-11-24 00:03:57,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:57,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:03:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:03:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:03:58,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:03:58,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80213879] [2024-11-24 00:03:58,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80213879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:03:58,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:03:58,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:03:58,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887287112] [2024-11-24 00:03:58,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:03:58,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:03:58,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:03:58,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:03:58,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:58,417 INFO L87 Difference]: Start difference. First operand 601 states and 867 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:03:59,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:03:59,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:03:59,652 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2024-11-24 00:03:59,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:03:59,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-24 00:03:59,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:03:59,670 INFO L225 Difference]: With dead ends: 1748 [2024-11-24 00:03:59,671 INFO L226 Difference]: Without dead ends: 1153 [2024-11-24 00:03:59,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:03:59,677 INFO L435 NwaCegarLoop]: 1297 mSDtfsCounter, 808 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:03:59,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 2135 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:03:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-11-24 00:03:59,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2024-11-24 00:03:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 850 states have (on average 1.3988235294117648) internal successors, (1189), 864 states have internal predecessors, (1189), 240 states have call successors, (240), 60 states have call predecessors, (240), 55 states have return successors, (230), 226 states have call predecessors, (230), 226 states have call successors, (230) [2024-11-24 00:03:59,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2024-11-24 00:03:59,826 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2024-11-24 00:03:59,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:03:59,827 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2024-11-24 00:03:59,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:03:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2024-11-24 00:03:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 00:03:59,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:03:59,828 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:03:59,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:03:59,829 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:03:59,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:03:59,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1988354257, now seen corresponding path program 1 times [2024-11-24 00:03:59,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:03:59,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677938600] [2024-11-24 00:03:59,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:03:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:04:00,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:00,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677938600] [2024-11-24 00:04:00,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677938600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:00,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:00,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:00,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380824635] [2024-11-24 00:04:00,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:00,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:00,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:00,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:00,804 INFO L87 Difference]: Start difference. First operand 1146 states and 1659 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:04:01,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:04:01,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:01,998 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2024-11-24 00:04:01,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:01,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-24 00:04:01,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:02,008 INFO L225 Difference]: With dead ends: 1238 [2024-11-24 00:04:02,008 INFO L226 Difference]: Without dead ends: 1234 [2024-11-24 00:04:02,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:02,010 INFO L435 NwaCegarLoop]: 872 mSDtfsCounter, 796 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:02,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 984 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:04:02,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-24 00:04:02,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2024-11-24 00:04:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1232 states, 916 states have (on average 1.3951965065502183) internal successors, (1278), 928 states have internal predecessors, (1278), 250 states have call successors, (250), 70 states have call predecessors, (250), 65 states have return successors, (242), 238 states have call predecessors, (242), 238 states have call successors, (242) [2024-11-24 00:04:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2024-11-24 00:04:02,137 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2024-11-24 00:04:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:02,138 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2024-11-24 00:04:02,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:04:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2024-11-24 00:04:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 00:04:02,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:02,140 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:04:02,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:04:02,141 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:02,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:02,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1508461616, now seen corresponding path program 1 times [2024-11-24 00:04:02,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:02,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474974288] [2024-11-24 00:04:02,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:04:03,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:03,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474974288] [2024-11-24 00:04:03,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474974288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:03,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:03,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:03,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172410226] [2024-11-24 00:04:03,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:03,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:03,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:03,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:03,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:03,319 INFO L87 Difference]: Start difference. First operand 1232 states and 1770 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:04:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:04,421 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2024-11-24 00:04:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:04,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-24 00:04:04,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:04,432 INFO L225 Difference]: With dead ends: 1438 [2024-11-24 00:04:04,432 INFO L226 Difference]: Without dead ends: 1428 [2024-11-24 00:04:04,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:04,434 INFO L435 NwaCegarLoop]: 930 mSDtfsCounter, 751 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:04,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1156 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:04:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2024-11-24 00:04:04,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2024-11-24 00:04:04,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1425 states, 1051 states have (on average 1.3815413891531874) internal successors, (1452), 1061 states have internal predecessors, (1452), 287 states have call successors, (287), 90 states have call predecessors, (287), 86 states have return successors, (282), 278 states have call predecessors, (282), 278 states have call successors, (282) [2024-11-24 00:04:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2024-11-24 00:04:04,549 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2024-11-24 00:04:04,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:04,550 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2024-11-24 00:04:04,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 00:04:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2024-11-24 00:04:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-24 00:04:04,553 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:04,553 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:04:04,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:04:04,554 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:04,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:04,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2143556034, now seen corresponding path program 1 times [2024-11-24 00:04:04,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:04,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470139837] [2024-11-24 00:04:04,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:04,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:04:06,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:06,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470139837] [2024-11-24 00:04:06,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470139837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:06,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:06,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:04:06,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241428469] [2024-11-24 00:04:06,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:06,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:04:06,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:06,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:04:06,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:06,274 INFO L87 Difference]: Start difference. First operand 1425 states and 2021 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:04:06,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:06,480 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2024-11-24 00:04:06,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:04:06,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-24 00:04:06,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:06,496 INFO L225 Difference]: With dead ends: 2849 [2024-11-24 00:04:06,496 INFO L226 Difference]: Without dead ends: 1430 [2024-11-24 00:04:06,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:06,505 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 0 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:06,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:06,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-24 00:04:06,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-11-24 00:04:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1055 states have (on average 1.3800947867298579) internal successors, (1456), 1065 states have internal predecessors, (1456), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 279 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-24 00:04:06,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2024-11-24 00:04:06,644 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 50 [2024-11-24 00:04:06,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:06,645 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2024-11-24 00:04:06,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:04:06,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2024-11-24 00:04:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 00:04:06,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:06,651 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:04:06,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:04:06,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:06,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:06,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1853306503, now seen corresponding path program 1 times [2024-11-24 00:04:06,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:06,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832396758] [2024-11-24 00:04:06,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:06,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:07,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:04:07,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:07,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832396758] [2024-11-24 00:04:07,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832396758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:07,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:07,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:04:07,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111735372] [2024-11-24 00:04:07,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:07,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:04:07,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:07,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:04:07,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:07,989 INFO L87 Difference]: Start difference. First operand 1430 states and 2029 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:04:08,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:08,191 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2024-11-24 00:04:08,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:04:08,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-11-24 00:04:08,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:08,207 INFO L225 Difference]: With dead ends: 2856 [2024-11-24 00:04:08,207 INFO L226 Difference]: Without dead ends: 1432 [2024-11-24 00:04:08,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:04:08,220 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 0 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:08,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:08,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-24 00:04:08,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-11-24 00:04:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1057 states have (on average 1.3793755912961212) internal successors, (1458), 1066 states have internal predecessors, (1458), 287 states have call successors, (287), 90 states have call predecessors, (287), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-24 00:04:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2024-11-24 00:04:08,382 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 51 [2024-11-24 00:04:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:08,383 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2024-11-24 00:04:08,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-24 00:04:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2024-11-24 00:04:08,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 00:04:08,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:08,389 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:04:08,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:04:08,389 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:08,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:08,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1839129382, now seen corresponding path program 1 times [2024-11-24 00:04:08,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:08,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293624399] [2024-11-24 00:04:08,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:08,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:09,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:04:09,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:09,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293624399] [2024-11-24 00:04:09,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293624399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:09,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:09,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:09,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150086699] [2024-11-24 00:04:09,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:09,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:09,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:09,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:09,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:09,592 INFO L87 Difference]: Start difference. First operand 1432 states and 2031 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:04:11,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:04:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:11,232 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2024-11-24 00:04:11,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:11,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2024-11-24 00:04:11,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:11,245 INFO L225 Difference]: With dead ends: 1434 [2024-11-24 00:04:11,245 INFO L226 Difference]: Without dead ends: 1431 [2024-11-24 00:04:11,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:11,247 INFO L435 NwaCegarLoop]: 901 mSDtfsCounter, 99 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:11,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1700 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 00:04:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-11-24 00:04:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2024-11-24 00:04:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1057 states have (on average 1.3755912961210974) internal successors, (1454), 1065 states have internal predecessors, (1454), 286 states have call successors, (286), 90 states have call predecessors, (286), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-24 00:04:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2024-11-24 00:04:11,356 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2024-11-24 00:04:11,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:11,359 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2024-11-24 00:04:11,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-24 00:04:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2024-11-24 00:04:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-24 00:04:11,364 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:11,365 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:04:11,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:04:11,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:11,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:11,366 INFO L85 PathProgramCache]: Analyzing trace with hash 292708499, now seen corresponding path program 1 times [2024-11-24 00:04:11,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:11,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288110700] [2024-11-24 00:04:11,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:11,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:04:12,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:12,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288110700] [2024-11-24 00:04:12,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288110700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:12,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:12,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:12,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667924621] [2024-11-24 00:04:12,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:12,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:12,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:12,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:12,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:12,527 INFO L87 Difference]: Start difference. First operand 1431 states and 2026 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:04:13,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:04:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:13,730 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2024-11-24 00:04:13,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:13,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2024-11-24 00:04:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:13,744 INFO L225 Difference]: With dead ends: 1433 [2024-11-24 00:04:13,745 INFO L226 Difference]: Without dead ends: 1430 [2024-11-24 00:04:13,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:13,749 INFO L435 NwaCegarLoop]: 912 mSDtfsCounter, 210 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:13,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1669 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:04:13,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-24 00:04:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-11-24 00:04:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1057 states have (on average 1.3736991485335857) internal successors, (1452), 1064 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (286), 280 states have call predecessors, (286), 278 states have call successors, (286) [2024-11-24 00:04:13,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2024-11-24 00:04:13,863 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2024-11-24 00:04:13,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:13,863 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2024-11-24 00:04:13,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 00:04:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2024-11-24 00:04:13,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-24 00:04:13,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:13,869 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:04:13,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:04:13,869 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:13,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:13,874 INFO L85 PathProgramCache]: Analyzing trace with hash 18136525, now seen corresponding path program 1 times [2024-11-24 00:04:13,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:13,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664887467] [2024-11-24 00:04:13,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:13,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:04:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664887467] [2024-11-24 00:04:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664887467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:15,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:15,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:04:15,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347439897] [2024-11-24 00:04:15,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:15,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:04:15,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:15,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:04:15,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:15,024 INFO L87 Difference]: Start difference. First operand 1430 states and 2023 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:04:16,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:04:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:16,766 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2024-11-24 00:04:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:04:16,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2024-11-24 00:04:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:16,779 INFO L225 Difference]: With dead ends: 2856 [2024-11-24 00:04:16,779 INFO L226 Difference]: Without dead ends: 1432 [2024-11-24 00:04:16,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:04:16,788 INFO L435 NwaCegarLoop]: 1590 mSDtfsCounter, 819 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:16,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 2384 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-24 00:04:16,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-24 00:04:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2024-11-24 00:04:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1057 states have (on average 1.3718070009460739) internal successors, (1450), 1064 states have internal predecessors, (1450), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2024-11-24 00:04:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2024-11-24 00:04:16,952 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 80 [2024-11-24 00:04:16,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:16,953 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2024-11-24 00:04:16,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 00:04:16,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2024-11-24 00:04:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 00:04:16,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:16,960 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-24 00:04:16,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:04:16,961 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:16,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:16,962 INFO L85 PathProgramCache]: Analyzing trace with hash -219142900, now seen corresponding path program 1 times [2024-11-24 00:04:16,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:16,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412708720] [2024-11-24 00:04:16,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:16,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:04:18,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:18,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412708720] [2024-11-24 00:04:18,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412708720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:18,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:18,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:04:18,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335457871] [2024-11-24 00:04:18,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:18,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:04:18,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:18,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:04:18,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:04:18,115 INFO L87 Difference]: Start difference. First operand 1430 states and 2015 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:18,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:18,310 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2024-11-24 00:04:18,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:04:18,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 91 [2024-11-24 00:04:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:18,324 INFO L225 Difference]: With dead ends: 2856 [2024-11-24 00:04:18,324 INFO L226 Difference]: Without dead ends: 1432 [2024-11-24 00:04:18,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:04:18,334 INFO L435 NwaCegarLoop]: 850 mSDtfsCounter, 1 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:18,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2538 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:04:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-24 00:04:18,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-11-24 00:04:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1432 states, 1059 states have (on average 1.3711048158640227) internal successors, (1452), 1066 states have internal predecessors, (1452), 285 states have call successors, (285), 90 states have call predecessors, (285), 87 states have return successors, (280), 280 states have call predecessors, (280), 276 states have call successors, (280) [2024-11-24 00:04:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2024-11-24 00:04:18,441 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 91 [2024-11-24 00:04:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:18,442 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2024-11-24 00:04:18,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-24 00:04:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2024-11-24 00:04:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 00:04:18,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:18,452 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:04:18,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:04:18,453 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:18,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:18,454 INFO L85 PathProgramCache]: Analyzing trace with hash -458590211, now seen corresponding path program 1 times [2024-11-24 00:04:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:18,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623704159] [2024-11-24 00:04:18,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:18,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-24 00:04:20,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:20,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623704159] [2024-11-24 00:04:20,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623704159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:20,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:20,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:04:20,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524406681] [2024-11-24 00:04:20,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:20,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:04:20,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:20,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:04:20,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:20,572 INFO L87 Difference]: Start difference. First operand 1432 states and 2017 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 00:04:20,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:20,806 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2024-11-24 00:04:20,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:04:20,807 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 136 [2024-11-24 00:04:20,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:20,821 INFO L225 Difference]: With dead ends: 1510 [2024-11-24 00:04:20,821 INFO L226 Difference]: Without dead ends: 1430 [2024-11-24 00:04:20,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:20,824 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 1 mSDsluCounter, 4232 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5083 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:20,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5083 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:20,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-24 00:04:20,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2024-11-24 00:04:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1429 states, 1058 states have (on average 1.3705103969754253) internal successors, (1450), 1064 states have internal predecessors, (1450), 283 states have call successors, (283), 90 states have call predecessors, (283), 87 states have return successors, (279), 279 states have call predecessors, (279), 275 states have call successors, (279) [2024-11-24 00:04:20,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2024-11-24 00:04:20,971 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2024-11-24 00:04:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:20,972 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2024-11-24 00:04:20,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 00:04:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2024-11-24 00:04:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 00:04:20,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:20,978 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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] [2024-11-24 00:04:20,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:04:20,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:20,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:20,979 INFO L85 PathProgramCache]: Analyzing trace with hash 493599295, now seen corresponding path program 1 times [2024-11-24 00:04:20,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:20,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328097361] [2024-11-24 00:04:20,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:20,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-24 00:04:23,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:23,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328097361] [2024-11-24 00:04:23,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328097361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:23,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:23,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:04:23,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744895461] [2024-11-24 00:04:23,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:23,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:04:23,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:23,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:04:23,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:23,267 INFO L87 Difference]: Start difference. First operand 1429 states and 2012 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 00:04:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:23,447 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2024-11-24 00:04:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:04:23,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 133 [2024-11-24 00:04:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:23,461 INFO L225 Difference]: With dead ends: 1496 [2024-11-24 00:04:23,461 INFO L226 Difference]: Without dead ends: 1420 [2024-11-24 00:04:23,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:23,463 INFO L435 NwaCegarLoop]: 849 mSDtfsCounter, 1 mSDsluCounter, 4222 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5071 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:23,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5071 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:23,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-11-24 00:04:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2024-11-24 00:04:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1052 states have (on average 1.3716730038022813) internal successors, (1443), 1057 states have internal predecessors, (1443), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 278 states have call predecessors, (278), 274 states have call successors, (278) [2024-11-24 00:04:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2024-11-24 00:04:23,558 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2024-11-24 00:04:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:23,559 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2024-11-24 00:04:23,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-24 00:04:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2024-11-24 00:04:23,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-24 00:04:23,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:23,564 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:04:23,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:04:23,565 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:23,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash -333333859, now seen corresponding path program 1 times [2024-11-24 00:04:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:23,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442605774] [2024-11-24 00:04:23,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:25,324 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-24 00:04:25,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:25,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442605774] [2024-11-24 00:04:25,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442605774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:25,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:25,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:04:25,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108042018] [2024-11-24 00:04:25,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:25,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:04:25,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:25,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:04:25,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:25,328 INFO L87 Difference]: Start difference. First operand 1419 states and 2000 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 00:04:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:25,663 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2024-11-24 00:04:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:04:25,664 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 173 [2024-11-24 00:04:25,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:25,696 INFO L225 Difference]: With dead ends: 2829 [2024-11-24 00:04:25,697 INFO L226 Difference]: Without dead ends: 1416 [2024-11-24 00:04:25,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:25,712 INFO L435 NwaCegarLoop]: 847 mSDtfsCounter, 0 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:25,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5062 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:25,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-24 00:04:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2024-11-24 00:04:25,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1047 states have (on average 1.3715377268385864) internal successors, (1436), 1053 states have internal predecessors, (1436), 279 states have call successors, (279), 88 states have call predecessors, (279), 87 states have return successors, (278), 277 states have call predecessors, (278), 274 states have call successors, (278) [2024-11-24 00:04:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2024-11-24 00:04:25,844 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 173 [2024-11-24 00:04:25,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:25,845 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2024-11-24 00:04:25,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 6 states have internal predecessors, (82), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 00:04:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2024-11-24 00:04:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 00:04:25,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:04:25,851 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-24 00:04:25,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:04:25,851 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:04:25,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:04:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1114213986, now seen corresponding path program 1 times [2024-11-24 00:04:25,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:04:25,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500423743] [2024-11-24 00:04:25,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:04:25,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:04:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:04:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-24 00:04:27,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:04:27,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500423743] [2024-11-24 00:04:27,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500423743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:04:27,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:04:27,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:04:27,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025027497] [2024-11-24 00:04:27,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:04:27,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:04:27,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:04:27,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:04:27,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:27,440 INFO L87 Difference]: Start difference. First operand 1414 states and 1993 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 00:04:27,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:04:27,640 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2024-11-24 00:04:27,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:04:27,641 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 172 [2024-11-24 00:04:27,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:04:27,645 INFO L225 Difference]: With dead ends: 1516 [2024-11-24 00:04:27,645 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:04:27,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:04:27,655 INFO L435 NwaCegarLoop]: 837 mSDtfsCounter, 0 mSDsluCounter, 4165 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:04:27,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5002 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:04:27,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:04:27,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:04:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:04:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:04:27,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2024-11-24 00:04:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:04:27,659 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:04:27,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 6 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-24 00:04:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:04:27,659 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:04:27,667 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:04:27,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:04:27,676 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:04:27,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:04:39,870 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:04:39,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:04:39 BoogieIcfgContainer [2024-11-24 00:04:39,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:04:39,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:04:39,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:04:39,909 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:04:39,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:03:51" (3/4) ... [2024-11-24 00:04:39,912 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2024-11-24 00:04:39,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2024-11-24 00:04:39,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-24 00:04:39,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2024-11-24 00:04:39,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2024-11-24 00:04:39,971 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 170 nodes and edges [2024-11-24 00:04:39,976 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-24 00:04:39,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-24 00:04:39,987 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 00:04:39,992 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:04:39,997 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:04:40,073 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) [2024-11-24 00:04:40,075 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) [2024-11-24 00:04:40,922 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) [2024-11-24 00:04:40,922 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) [2024-11-24 00:04:41,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:04:41,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:04:41,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:04:41,003 INFO L158 Benchmark]: Toolchain (without parser) took 60375.27ms. Allocated memory was 117.4MB in the beginning and 612.4MB in the end (delta: 494.9MB). Free memory was 83.7MB in the beginning and 404.2MB in the end (delta: -320.6MB). Peak memory consumption was 472.5MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,003 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:04:41,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2444.89ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 30.5MB in the end (delta: 53.0MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 337.48ms. Allocated memory is still 117.4MB. Free memory was 30.5MB in the beginning and 37.2MB in the end (delta: -6.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,004 INFO L158 Benchmark]: Boogie Preprocessor took 573.83ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 37.2MB in the beginning and 129.8MB in the end (delta: -92.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,004 INFO L158 Benchmark]: RCFGBuilder took 7790.96ms. Allocated memory was 226.5MB in the beginning and 327.2MB in the end (delta: 100.7MB). Free memory was 129.8MB in the beginning and 68.5MB in the end (delta: 61.3MB). Peak memory consumption was 169.3MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,005 INFO L158 Benchmark]: TraceAbstraction took 48120.76ms. Allocated memory was 327.2MB in the beginning and 612.4MB in the end (delta: 285.2MB). Free memory was 65.5MB in the beginning and 397.5MB in the end (delta: -332.0MB). Peak memory consumption was 204.8MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,005 INFO L158 Benchmark]: Witness Printer took 1095.48ms. Allocated memory is still 612.4MB. Free memory was 397.5MB in the beginning and 404.2MB in the end (delta: -6.7MB). Peak memory consumption was 295.2MB. Max. memory is 16.1GB. [2024-11-24 00:04:41,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2444.89ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 30.5MB in the end (delta: 53.0MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 337.48ms. Allocated memory is still 117.4MB. Free memory was 30.5MB in the beginning and 37.2MB in the end (delta: -6.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 573.83ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 37.2MB in the beginning and 129.8MB in the end (delta: -92.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * RCFGBuilder took 7790.96ms. Allocated memory was 226.5MB in the beginning and 327.2MB in the end (delta: 100.7MB). Free memory was 129.8MB in the beginning and 68.5MB in the end (delta: 61.3MB). Peak memory consumption was 169.3MB. Max. memory is 16.1GB. * TraceAbstraction took 48120.76ms. Allocated memory was 327.2MB in the beginning and 612.4MB in the end (delta: 285.2MB). Free memory was 65.5MB in the beginning and 397.5MB in the end (delta: -332.0MB). Peak memory consumption was 204.8MB. Max. memory is 16.1GB. * Witness Printer took 1095.48ms. Allocated memory is still 612.4MB. Free memory was 397.5MB in the beginning and 404.2MB in the end (delta: -6.7MB). Peak memory consumption was 295.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6914]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 671 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.8s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5211 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5209 mSDsluCounter, 43040 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28856 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 14184 mSDtfsCounter, 296 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1432occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1068 ConstructedInterpolants, 0 QuantifiedInterpolants, 1346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 256/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4682]: Location Invariant Derived location invariant: ((((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state))) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2))) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state))) - InvariantResult [Line: 4959]: Location Invariant Derived location invariant: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) - InvariantResult [Line: 6312]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 5235]: Location Invariant Derived location invariant: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) - InvariantResult [Line: 6384]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 6859]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 6312]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-24 00:04:41,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ef961ad-8aa2-4d8a-9b90-5c3fe27bb690/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE