./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/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_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:52:24,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:52:25,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:52:25,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:52:25,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:52:25,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:52:25,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:52:25,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:52:25,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:52:25,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:52:25,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:52:25,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:52:25,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:52:25,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:52:25,148 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:52:25,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:52:25,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:52:25,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:52:25,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:52:25,149 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:52:25,149 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:52:25,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:52:25,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:25,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:52:25,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:52:25,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:52:25,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:52:25,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:25,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:52:25,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:52:25,152 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:52:25,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:52:25,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:52:25,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:52:25,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:52:25,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:52:25,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:52:25,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:52:25,153 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_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2024-11-28 04:52:25,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:52:25,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:52:25,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:52:25,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:52:25,574 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:52:25,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-28 04:52:29,235 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/data/d32517a21/80dbefb2f3f3481ca6e8893bba859b23/FLAG10fa146c2 [2024-11-28 04:52:30,092 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:52:30,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-28 04:52:30,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/data/d32517a21/80dbefb2f3f3481ca6e8893bba859b23/FLAG10fa146c2 [2024-11-28 04:52:30,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/data/d32517a21/80dbefb2f3f3481ca6e8893bba859b23 [2024-11-28 04:52:30,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:52:30,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:52:30,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:30,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:52:30,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:52:30,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:30" (1/1) ... [2024-11-28 04:52:30,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c5c258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:30, skipping insertion in model container [2024-11-28 04:52:30,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:30" (1/1) ... [2024-11-28 04:52:30,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:52:31,624 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_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-28 04:52:31,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:31,861 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:52:32,267 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_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-11-28 04:52:32,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:32,486 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:52:32,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32 WrapperNode [2024-11-28 04:52:32,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:32,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:32,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:52:32,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:52:32,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:32,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:32,822 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2024-11-28 04:52:32,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:32,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:52:32,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:52:32,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:52:32,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:32,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:32,883 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,075 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 1, 2, 5, 5, 3, 4, 5, 1025, 46, 1020, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 0, 0, 5, 5, 3, 4, 0, 1020, 0, 1020, 0, 0]. The 45 writes are split as follows [0, 1, 1, 0, 0, 0, 0, 3, 2, 8, 0, 15, 15]. [2024-11-28 04:52:33,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,223 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:52:33,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:52:33,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:52:33,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:52:33,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (1/1) ... [2024-11-28 04:52:33,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:52:33,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:33,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:33,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:52:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-11-28 04:52:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:52:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 04:52:33,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 04:52:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-28 04:52:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:52:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:52:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:52:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:52:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:52:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:52:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 04:52:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 04:52:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 04:52:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 04:52:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-11-28 04:52:33,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:52:33,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-11-28 04:52:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-11-28 04:52:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-11-28 04:52:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-11-28 04:52:33,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-11-28 04:52:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-11-28 04:52:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-11-28 04:52:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-11-28 04:52:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-11-28 04:52:33,411 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-11-28 04:52:33,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-11-28 04:52:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-11-28 04:52:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-11-28 04:52:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-11-28 04:52:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-11-28 04:52:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:52:33,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:52:33,415 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-11-28 04:52:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 04:52:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 04:52:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-28 04:52:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-11-28 04:52:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-11-28 04:52:33,416 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 04:52:33,416 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 04:52:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:52:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-11-28 04:52:33,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-11-28 04:52:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:52:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:52:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:52:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:52:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:52:33,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:52:33,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-11-28 04:52:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-11-28 04:52:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-11-28 04:52:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-11-28 04:52:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:52:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:52:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:52:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:52:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:52:33,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:52:33,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:52:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:52:33,424 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-28 04:52:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-28 04:52:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-11-28 04:52:33,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-11-28 04:52:33,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-11-28 04:52:33,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-11-28 04:52:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-11-28 04:52:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-11-28 04:52:33,428 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-11-28 04:52:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-11-28 04:52:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-11-28 04:52:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-11-28 04:52:33,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-11-28 04:52:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-11-28 04:52:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-11-28 04:52:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-11-28 04:52:33,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-11-28 04:52:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 04:52:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 04:52:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 04:52:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 04:52:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 04:52:33,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 04:52:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 04:52:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 04:52:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 04:52:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 04:52:33,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 04:52:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 04:52:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-28 04:52:33,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:52:33,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:52:34,173 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:52:34,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:52:41,212 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2024-11-28 04:52:41,212 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:52:41,265 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:52:41,269 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:52:41,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:41 BoogieIcfgContainer [2024-11-28 04:52:41,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:52:41,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:52:41,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:52:41,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:52:41,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:52:30" (1/3) ... [2024-11-28 04:52:41,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f22fd40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:41, skipping insertion in model container [2024-11-28 04:52:41,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:32" (2/3) ... [2024-11-28 04:52:41,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f22fd40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:52:41, skipping insertion in model container [2024-11-28 04:52:41,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:41" (3/3) ... [2024-11-28 04:52:41,290 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-11-28 04:52:41,313 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:52:41,315 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. [2024-11-28 04:52:41,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:52:41,448 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;@2adc87a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:52:41,448 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:52:41,457 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) [2024-11-28 04:52:41,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 04:52:41,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:41,468 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:41,469 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:41,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:41,477 INFO L85 PathProgramCache]: Analyzing trace with hash -114947798, now seen corresponding path program 1 times [2024-11-28 04:52:41,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:41,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623341013] [2024-11-28 04:52:41,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:41,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:43,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:43,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623341013] [2024-11-28 04:52:43,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623341013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:43,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:43,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:43,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626018738] [2024-11-28 04:52:43,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:43,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:43,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:43,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:43,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:43,636 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) [2024-11-28 04:52:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:44,558 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2024-11-28 04:52:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:44,562 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 [2024-11-28 04:52:44,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:44,588 INFO L225 Difference]: With dead ends: 1213 [2024-11-28 04:52:44,588 INFO L226 Difference]: Without dead ends: 602 [2024-11-28 04:52:44,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:44,610 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:44,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:52:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-28 04:52:44,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-11-28 04:52:44,778 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) [2024-11-28 04:52:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2024-11-28 04:52:44,806 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2024-11-28 04:52:44,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:44,807 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2024-11-28 04:52:44,808 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) [2024-11-28 04:52:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2024-11-28 04:52:44,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 04:52:44,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:44,812 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:44,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:52:44,813 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:44,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:44,814 INFO L85 PathProgramCache]: Analyzing trace with hash 730592750, now seen corresponding path program 1 times [2024-11-28 04:52:44,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:44,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322641102] [2024-11-28 04:52:44,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:44,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:46,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:46,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:46,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322641102] [2024-11-28 04:52:46,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322641102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:46,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:46,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760367765] [2024-11-28 04:52:46,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:46,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:46,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:46,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:46,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:46,293 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) [2024-11-28 04:52:47,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:47,448 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2024-11-28 04:52:47,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:47,449 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 [2024-11-28 04:52:47,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:47,455 INFO L225 Difference]: With dead ends: 604 [2024-11-28 04:52:47,455 INFO L226 Difference]: Without dead ends: 601 [2024-11-28 04:52:47,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:47,457 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:47,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 868 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:52:47,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-11-28 04:52:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-11-28 04:52:47,518 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) [2024-11-28 04:52:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2024-11-28 04:52:47,528 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2024-11-28 04:52:47,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:47,529 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2024-11-28 04:52:47,529 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) [2024-11-28 04:52:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2024-11-28 04:52:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:52:47,530 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:47,530 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:47,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:52:47,531 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:47,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:47,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1172550829, now seen corresponding path program 1 times [2024-11-28 04:52:47,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48570514] [2024-11-28 04:52:47,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:47,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:48,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:48,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48570514] [2024-11-28 04:52:48,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48570514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:48,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:48,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:48,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029029354] [2024-11-28 04:52:48,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:48,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:48,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:48,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:48,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:48,679 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) [2024-11-28 04:52:50,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:51,045 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2024-11-28 04:52:51,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:51,046 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 [2024-11-28 04:52:51,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:51,062 INFO L225 Difference]: With dead ends: 1748 [2024-11-28 04:52:51,065 INFO L226 Difference]: Without dead ends: 1153 [2024-11-28 04:52:51,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:51,071 INFO L435 NwaCegarLoop]: 1297 mSDtfsCounter, 808 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:51,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 2135 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 04:52:51,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-11-28 04:52:51,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2024-11-28 04:52:51,211 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) [2024-11-28 04:52:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2024-11-28 04:52:51,236 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2024-11-28 04:52:51,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:51,237 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2024-11-28 04:52:51,237 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) [2024-11-28 04:52:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2024-11-28 04:52:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:52:51,238 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:51,238 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:51,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:52:51,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:51,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1988354257, now seen corresponding path program 1 times [2024-11-28 04:52:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580025625] [2024-11-28 04:52:51,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:52,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:52,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580025625] [2024-11-28 04:52:52,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580025625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:52,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:52,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:52,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637925796] [2024-11-28 04:52:52,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:52,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:52,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:52,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:52,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:52,337 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) [2024-11-28 04:52:53,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:53,599 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2024-11-28 04:52:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:53,600 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 [2024-11-28 04:52:53,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:53,609 INFO L225 Difference]: With dead ends: 1238 [2024-11-28 04:52:53,609 INFO L226 Difference]: Without dead ends: 1234 [2024-11-28 04:52:53,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:53,612 INFO L435 NwaCegarLoop]: 872 mSDtfsCounter, 796 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:53,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 984 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-28 04:52:53,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-11-28 04:52:53,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2024-11-28 04:52:53,735 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) [2024-11-28 04:52:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2024-11-28 04:52:53,755 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2024-11-28 04:52:53,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:53,755 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2024-11-28 04:52:53,755 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) [2024-11-28 04:52:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2024-11-28 04:52:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-28 04:52:53,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:53,757 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:53,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:52:53,757 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:53,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:53,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1508461616, now seen corresponding path program 1 times [2024-11-28 04:52:53,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:53,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189842765] [2024-11-28 04:52:53,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:53,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:54,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:52:54,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189842765] [2024-11-28 04:52:54,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189842765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:52:54,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:52:54,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:52:54,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729926471] [2024-11-28 04:52:54,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:52:54,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:52:54,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:52:54,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:52:54,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:54,795 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) [2024-11-28 04:52:58,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:52:58,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:58,374 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2024-11-28 04:52:58,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:52:58,374 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 [2024-11-28 04:52:58,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:52:58,385 INFO L225 Difference]: With dead ends: 1438 [2024-11-28 04:52:58,385 INFO L226 Difference]: Without dead ends: 1428 [2024-11-28 04:52:58,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:52:58,387 INFO L435 NwaCegarLoop]: 930 mSDtfsCounter, 751 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:52:58,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1156 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 04:52:58,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2024-11-28 04:52:58,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2024-11-28 04:52:58,503 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) [2024-11-28 04:52:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2024-11-28 04:52:58,523 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2024-11-28 04:52:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:52:58,524 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2024-11-28 04:52:58,524 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) [2024-11-28 04:52:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2024-11-28 04:52:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-28 04:52:58,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:52:58,528 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] [2024-11-28 04:52:58,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:52:58,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:52:58,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2143556034, now seen corresponding path program 1 times [2024-11-28 04:52:58,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:52:58,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989995770] [2024-11-28 04:52:58,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:53:00,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:00,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989995770] [2024-11-28 04:53:00,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989995770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:00,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:00,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:53:00,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932832160] [2024-11-28 04:53:00,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:00,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:53:00,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:00,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:53:00,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:53:00,256 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) [2024-11-28 04:53:00,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:00,483 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2024-11-28 04:53:00,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:53:00,484 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 [2024-11-28 04:53:00,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:00,500 INFO L225 Difference]: With dead ends: 2849 [2024-11-28 04:53:00,501 INFO L226 Difference]: Without dead ends: 1430 [2024-11-28 04:53:00,509 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 [2024-11-28 04:53:00,510 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 [2024-11-28 04:53:00,510 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] [2024-11-28 04:53:00,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-28 04:53:00,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-11-28 04:53:00,624 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) [2024-11-28 04:53:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2024-11-28 04:53:00,649 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 50 [2024-11-28 04:53:00,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:00,653 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2024-11-28 04:53:00,654 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) [2024-11-28 04:53:00,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2024-11-28 04:53:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-28 04:53:00,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:00,659 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] [2024-11-28 04:53:00,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:53:00,660 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:00,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:00,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1853306503, now seen corresponding path program 1 times [2024-11-28 04:53:00,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:00,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44322508] [2024-11-28 04:53:00,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:53:02,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:02,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44322508] [2024-11-28 04:53:02,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44322508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:02,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:02,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:53:02,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677268024] [2024-11-28 04:53:02,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:02,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:53:02,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:02,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:53:02,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:53:02,100 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) [2024-11-28 04:53:02,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:02,321 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2024-11-28 04:53:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:53:02,322 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 [2024-11-28 04:53:02,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:02,334 INFO L225 Difference]: With dead ends: 2856 [2024-11-28 04:53:02,335 INFO L226 Difference]: Without dead ends: 1432 [2024-11-28 04:53:02,343 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 [2024-11-28 04:53:02,344 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 0 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-28 04:53:02,344 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] [2024-11-28 04:53:02,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-28 04:53:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-11-28 04:53:02,445 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) [2024-11-28 04:53:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2024-11-28 04:53:02,460 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 51 [2024-11-28 04:53:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:02,460 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2024-11-28 04:53:02,461 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) [2024-11-28 04:53:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2024-11-28 04:53:02,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 04:53:02,463 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:02,464 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] [2024-11-28 04:53:02,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:53:02,464 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:02,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:02,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1839129382, now seen corresponding path program 1 times [2024-11-28 04:53:02,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:02,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576876223] [2024-11-28 04:53:02,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:02,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:53:03,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:03,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576876223] [2024-11-28 04:53:03,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576876223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:03,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:03,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:53:03,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574099228] [2024-11-28 04:53:03,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:03,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:53:03,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:03,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:53:03,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:53:03,973 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) [2024-11-28 04:53:05,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:05,046 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2024-11-28 04:53:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:53:05,047 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 [2024-11-28 04:53:05,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:05,059 INFO L225 Difference]: With dead ends: 1434 [2024-11-28 04:53:05,060 INFO L226 Difference]: Without dead ends: 1431 [2024-11-28 04:53:05,061 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 [2024-11-28 04:53:05,062 INFO L435 NwaCegarLoop]: 901 mSDtfsCounter, 99 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:53:05,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1700 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:53:05,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-11-28 04:53:05,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2024-11-28 04:53:05,160 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) [2024-11-28 04:53:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2024-11-28 04:53:05,174 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2024-11-28 04:53:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:05,175 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2024-11-28 04:53:05,175 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) [2024-11-28 04:53:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2024-11-28 04:53:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 04:53:05,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:05,178 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] [2024-11-28 04:53:05,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:53:05,179 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:05,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:05,179 INFO L85 PathProgramCache]: Analyzing trace with hash 292708499, now seen corresponding path program 1 times [2024-11-28 04:53:05,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:05,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435814529] [2024-11-28 04:53:05,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:05,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:06,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:53:06,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:06,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435814529] [2024-11-28 04:53:06,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435814529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:06,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:06,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:53:06,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139243113] [2024-11-28 04:53:06,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:06,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:53:06,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:06,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:53:06,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:53:06,443 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) [2024-11-28 04:53:07,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:53:07,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:07,924 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2024-11-28 04:53:07,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:53:07,925 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 [2024-11-28 04:53:07,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:07,942 INFO L225 Difference]: With dead ends: 1433 [2024-11-28 04:53:07,942 INFO L226 Difference]: Without dead ends: 1430 [2024-11-28 04:53:07,944 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 [2024-11-28 04:53:07,946 INFO L435 NwaCegarLoop]: 912 mSDtfsCounter, 210 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:53:07,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1669 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 04:53:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-28 04:53:08,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-11-28 04:53:08,052 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) [2024-11-28 04:53:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2024-11-28 04:53:08,065 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2024-11-28 04:53:08,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:08,066 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2024-11-28 04:53:08,066 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) [2024-11-28 04:53:08,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2024-11-28 04:53:08,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-28 04:53:08,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:08,074 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] [2024-11-28 04:53:08,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:53:08,074 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:08,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:08,074 INFO L85 PathProgramCache]: Analyzing trace with hash 18136525, now seen corresponding path program 1 times [2024-11-28 04:53:08,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:08,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430574551] [2024-11-28 04:53:08,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:53:09,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:09,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430574551] [2024-11-28 04:53:09,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430574551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:09,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:09,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:53:09,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103816657] [2024-11-28 04:53:09,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:09,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:53:09,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:09,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:53:09,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:53:09,190 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) [2024-11-28 04:53:10,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:10,311 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2024-11-28 04:53:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:53:10,312 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 [2024-11-28 04:53:10,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:10,325 INFO L225 Difference]: With dead ends: 2856 [2024-11-28 04:53:10,325 INFO L226 Difference]: Without dead ends: 1432 [2024-11-28 04:53:10,334 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 [2024-11-28 04:53:10,335 INFO L435 NwaCegarLoop]: 1590 mSDtfsCounter, 819 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:53:10,335 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 2384 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:53:10,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-28 04:53:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2024-11-28 04:53:10,500 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) [2024-11-28 04:53:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2024-11-28 04:53:10,512 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 80 [2024-11-28 04:53:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:10,513 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2024-11-28 04:53:10,513 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) [2024-11-28 04:53:10,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2024-11-28 04:53:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 04:53:10,519 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:10,520 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] [2024-11-28 04:53:10,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:53:10,520 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:10,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:10,521 INFO L85 PathProgramCache]: Analyzing trace with hash -219142900, now seen corresponding path program 1 times [2024-11-28 04:53:10,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:10,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726694934] [2024-11-28 04:53:10,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:10,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:11,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:53:11,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:11,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726694934] [2024-11-28 04:53:11,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726694934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:11,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:11,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:53:11,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276937848] [2024-11-28 04:53:11,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:11,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:53:11,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:11,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:53:11,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:53:11,625 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) [2024-11-28 04:53:11,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:11,771 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2024-11-28 04:53:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:53:11,772 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 [2024-11-28 04:53:11,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:11,785 INFO L225 Difference]: With dead ends: 2856 [2024-11-28 04:53:11,785 INFO L226 Difference]: Without dead ends: 1432 [2024-11-28 04:53:11,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:53:11,795 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 [2024-11-28 04:53:11,795 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] [2024-11-28 04:53:11,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-11-28 04:53:11,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-11-28 04:53:11,900 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) [2024-11-28 04:53:11,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2024-11-28 04:53:11,913 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 91 [2024-11-28 04:53:11,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:11,914 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2024-11-28 04:53:11,915 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) [2024-11-28 04:53:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2024-11-28 04:53:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-28 04:53:11,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:11,921 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] [2024-11-28 04:53:11,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:53:11,921 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:11,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:11,922 INFO L85 PathProgramCache]: Analyzing trace with hash -458590211, now seen corresponding path program 1 times [2024-11-28 04:53:11,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:11,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852602034] [2024-11-28 04:53:11,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:11,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-28 04:53:14,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:14,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852602034] [2024-11-28 04:53:14,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852602034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:14,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:14,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:53:14,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757489253] [2024-11-28 04:53:14,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:14,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:53:14,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:14,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:53:14,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:53:14,194 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) [2024-11-28 04:53:14,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:14,452 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2024-11-28 04:53:14,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:53:14,453 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 [2024-11-28 04:53:14,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:14,468 INFO L225 Difference]: With dead ends: 1510 [2024-11-28 04:53:14,468 INFO L226 Difference]: Without dead ends: 1430 [2024-11-28 04:53:14,470 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 [2024-11-28 04:53:14,471 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 [2024-11-28 04:53:14,472 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] [2024-11-28 04:53:14,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-11-28 04:53:14,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2024-11-28 04:53:14,618 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) [2024-11-28 04:53:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2024-11-28 04:53:14,633 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2024-11-28 04:53:14,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:14,634 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2024-11-28 04:53:14,634 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) [2024-11-28 04:53:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2024-11-28 04:53:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 04:53:14,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:14,642 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] [2024-11-28 04:53:14,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:53:14,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:14,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:14,643 INFO L85 PathProgramCache]: Analyzing trace with hash 493599295, now seen corresponding path program 1 times [2024-11-28 04:53:14,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:14,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623408551] [2024-11-28 04:53:14,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:14,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:53:16,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:16,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623408551] [2024-11-28 04:53:16,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623408551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:16,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:16,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:53:16,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857402026] [2024-11-28 04:53:16,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:16,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:53:16,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:16,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:53:16,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:53:16,968 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) [2024-11-28 04:53:17,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:17,153 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2024-11-28 04:53:17,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:53:17,154 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 [2024-11-28 04:53:17,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:17,166 INFO L225 Difference]: With dead ends: 1496 [2024-11-28 04:53:17,166 INFO L226 Difference]: Without dead ends: 1420 [2024-11-28 04:53:17,167 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 [2024-11-28 04:53:17,169 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 [2024-11-28 04:53:17,169 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] [2024-11-28 04:53:17,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-11-28 04:53:17,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2024-11-28 04:53:17,266 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) [2024-11-28 04:53:17,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2024-11-28 04:53:17,276 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2024-11-28 04:53:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:17,277 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2024-11-28 04:53:17,277 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) [2024-11-28 04:53:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2024-11-28 04:53:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 04:53:17,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:17,284 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] [2024-11-28 04:53:17,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:53:17,285 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:17,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:17,285 INFO L85 PathProgramCache]: Analyzing trace with hash -333333859, now seen corresponding path program 1 times [2024-11-28 04:53:17,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:17,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928707897] [2024-11-28 04:53:17,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:17,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-28 04:53:19,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:19,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928707897] [2024-11-28 04:53:19,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928707897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:19,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:19,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:53:19,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464811090] [2024-11-28 04:53:19,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:19,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:53:19,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:19,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:53:19,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:53:19,411 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) [2024-11-28 04:53:19,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:19,732 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2024-11-28 04:53:19,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:53:19,733 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 [2024-11-28 04:53:19,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:19,752 INFO L225 Difference]: With dead ends: 2829 [2024-11-28 04:53:19,752 INFO L226 Difference]: Without dead ends: 1416 [2024-11-28 04:53:19,761 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 [2024-11-28 04:53:19,761 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:53:19,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5062 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:53:19,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-11-28 04:53:19,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2024-11-28 04:53:19,863 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) [2024-11-28 04:53:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2024-11-28 04:53:19,881 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 173 [2024-11-28 04:53:19,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:19,882 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2024-11-28 04:53:19,882 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) [2024-11-28 04:53:19,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2024-11-28 04:53:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:53:19,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:53:19,888 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] [2024-11-28 04:53:19,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 04:53:19,889 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:53:19,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:53:19,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1114213986, now seen corresponding path program 1 times [2024-11-28 04:53:19,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:53:19,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364466364] [2024-11-28 04:53:19,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:53:19,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:53:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:53:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-28 04:53:21,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:53:21,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364466364] [2024-11-28 04:53:21,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364466364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:53:21,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:53:21,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 04:53:21,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702489365] [2024-11-28 04:53:21,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:53:21,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:53:21,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:53:21,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:53:21,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:53:21,398 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) [2024-11-28 04:53:21,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:53:21,604 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2024-11-28 04:53:21,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:53:21,605 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 [2024-11-28 04:53:21,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:53:21,609 INFO L225 Difference]: With dead ends: 1516 [2024-11-28 04:53:21,609 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:53:21,618 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 [2024-11-28 04:53:21,619 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 [2024-11-28 04:53:21,619 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] [2024-11-28 04:53:21,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:53:21,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:53:21,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:53:21,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:53:21,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2024-11-28 04:53:21,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:53:21,623 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:53:21,627 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) [2024-11-28 04:53:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:53:21,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:53:21,632 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:53:21,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:53:21,644 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:53:21,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:53:34,272 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:53:34,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:53:34 BoogieIcfgContainer [2024-11-28 04:53:34,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:53:34,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:53:34,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:53:34,309 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:53:34,310 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:41" (3/4) ... [2024-11-28 04:53:34,313 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2024-11-28 04:53:34,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2024-11-28 04:53:34,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2024-11-28 04:53:34,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2024-11-28 04:53:34,386 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 170 nodes and edges [2024-11-28 04:53:34,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-28 04:53:34,398 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-28 04:53:34,403 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 04:53:34,412 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:53:34,418 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:53:34,495 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)) [2024-11-28 04:53:34,501 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)) [2024-11-28 04:53:35,603 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)) [2024-11-28 04:53:35,607 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)) [2024-11-28 04:53:35,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:53:35,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:53:35,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:53:35,714 INFO L158 Benchmark]: Toolchain (without parser) took 65534.26ms. Allocated memory was 142.6MB in the beginning and 662.7MB in the end (delta: 520.1MB). Free memory was 110.3MB in the beginning and 521.5MB in the end (delta: -411.2MB). Peak memory consumption was 249.9MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,716 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:53:35,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2307.87ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 110.0MB in the beginning and 326.1MB in the end (delta: -216.0MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 333.08ms. Allocated memory is still 411.0MB. Free memory was 326.1MB in the beginning and 299.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,718 INFO L158 Benchmark]: Boogie Preprocessor took 488.49ms. Allocated memory is still 411.0MB. Free memory was 299.9MB in the beginning and 263.7MB in the end (delta: 36.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,719 INFO L158 Benchmark]: RCFGBuilder took 7957.40ms. Allocated memory is still 411.0MB. Free memory was 263.7MB in the beginning and 252.0MB in the end (delta: 11.7MB). Peak memory consumption was 192.2MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,719 INFO L158 Benchmark]: TraceAbstraction took 53035.30ms. Allocated memory was 411.0MB in the beginning and 662.7MB in the end (delta: 251.7MB). Free memory was 252.0MB in the beginning and 527.0MB in the end (delta: -275.0MB). Peak memory consumption was 343.5MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,719 INFO L158 Benchmark]: Witness Printer took 1404.46ms. Allocated memory is still 662.7MB. Free memory was 527.0MB in the beginning and 521.5MB in the end (delta: 5.5MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2024-11-28 04:53:35,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2307.87ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 110.0MB in the beginning and 326.1MB in the end (delta: -216.0MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 333.08ms. Allocated memory is still 411.0MB. Free memory was 326.1MB in the beginning and 299.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 488.49ms. Allocated memory is still 411.0MB. Free memory was 299.9MB in the beginning and 263.7MB in the end (delta: 36.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7957.40ms. Allocated memory is still 411.0MB. Free memory was 263.7MB in the beginning and 252.0MB in the end (delta: 11.7MB). Peak memory consumption was 192.2MB. Max. memory is 16.1GB. * TraceAbstraction took 53035.30ms. Allocated memory was 411.0MB in the beginning and 662.7MB in the end (delta: 251.7MB). Free memory was 252.0MB in the beginning and 527.0MB in the end (delta: -275.0MB). Peak memory consumption was 343.5MB. Max. memory is 16.1GB. * Witness Printer took 1404.46ms. Allocated memory is still 662.7MB. Free memory was 527.0MB in the beginning and 521.5MB in the end (delta: 5.5MB). Peak memory consumption was 143.9MB. 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: 40.3s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5211 SdHoareTripleChecker+Valid, 12.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5209 mSDsluCounter, 43040 SdHoareTripleChecker+Invalid, 12.2s 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, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s 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, 1.8s SatisfiabilityAnalysisTime, 11.6s 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! [2024-11-28 04:53:35,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9ea992-7960-4cde-aa66-e8c1b73d4a98/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE