./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_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/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_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:00:05,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:00:05,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 07:00:05,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:00:05,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:00:05,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:00:05,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:00:05,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:00:05,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:00:05,816 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:00:05,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:00:05,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:00:05,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:00:05,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:00:05,817 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:00:05,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:00:05,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:00:05,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:00:05,818 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:00:05,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:00:05,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:00:05,819 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:00:05,819 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:00:05,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:00:05,820 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_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8218d66b38036897f67c80af50bdb171f983e28f159848fa63aae8e20cafd746 [2024-12-02 07:00:06,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:00:06,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:00:06,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:00:06,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:00:06,121 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:00:06,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-12-02 07:00:09,159 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/data/833a3ba23/0c3da63a62644f80a491ec33a66ba3e0/FLAG5726ba5c4 [2024-12-02 07:00:09,621 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:00:09,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-12-02 07:00:09,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/data/833a3ba23/0c3da63a62644f80a491ec33a66ba3e0/FLAG5726ba5c4 [2024-12-02 07:00:09,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/data/833a3ba23/0c3da63a62644f80a491ec33a66ba3e0 [2024-12-02 07:00:09,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:00:09,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:00:09,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:00:09,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:00:09,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:00:09,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:09" (1/1) ... [2024-12-02 07:00:09,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b80f475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:09, skipping insertion in model container [2024-12-02 07:00:09,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:09" (1/1) ... [2024-12-02 07:00:09,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:00:10,894 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_bc58de67-732e-4ab4-99fb-29348d284925/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-12-02 07:00:10,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:00:11,060 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:00:11,306 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_bc58de67-732e-4ab4-99fb-29348d284925/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i[190888,190901] [2024-12-02 07:00:11,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:00:11,422 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:00:11,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11 WrapperNode [2024-12-02 07:00:11,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:00:11,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:00:11,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:00:11,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:00:11,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,632 INFO L138 Inliner]: procedures = 173, calls = 2599, calls flagged for inlining = 62, calls inlined = 37, statements flattened = 3391 [2024-12-02 07:00:11,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:00:11,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:00:11,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:00:11,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:00:11,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,672 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,765 INFO L175 MemorySlicer]: Split 2148 memory accesses to 13 slices as follows [2, 1025, 5, 5, 5, 3, 4, 46, 1, 2, 1020, 15, 15]. 48 percent of accesses are in the largest equivalence class. The 2059 initializations are split as follows [2, 1020, 0, 5, 5, 3, 4, 0, 0, 0, 1020, 0, 0]. The 45 writes are split as follows [0, 2, 3, 0, 0, 0, 0, 8, 1, 1, 0, 15, 15]. [2024-12-02 07:00:11,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:00:11,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:00:11,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:00:11,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:00:11,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (1/1) ... [2024-12-02 07:00:11,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:00:11,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:00:11,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:00:11,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:00:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_ethtool_stats [2024-12-02 07:00:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_ethtool_stats [2024-12-02 07:00:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 07:00:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 07:00:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 07:00:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2024-12-02 07:00:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:00:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_read [2024-12-02 07:00:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_read [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_write [2024-12-02 07:00:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_write [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_write [2024-12-02 07:00:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_write [2024-12-02 07:00:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_get_strings [2024-12-02 07:00:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_get_strings [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_read [2024-12-02 07:00:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_read [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2024-12-02 07:00:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6131_port_to_phy_addr [2024-12-02 07:00:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6131_port_to_phy_addr [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_put [2024-12-02 07:00:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_put [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:00:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_wait_ready [2024-12-02 07:00:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_wait_ready [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 07:00:12,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 07:00:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 07:00:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-12-02 07:00:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_stats_wait [2024-12-02 07:00:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_stats_wait [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_upstream_port [2024-12-02 07:00:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_upstream_port [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-12-02 07:00:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_config_prio [2024-12-02 07:00:12,036 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_config_prio [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 07:00:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __mv88e6xxx_reg_read [2024-12-02 07:00:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __mv88e6xxx_reg_read [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2024-12-02 07:00:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2024-12-02 07:00:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-12-02 07:00:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#0 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#1 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#2 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#3 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#4 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#5 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#6 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#7 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#8 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#9 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#10 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#11 [2024-12-02 07:00:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove#12 [2024-12-02 07:00:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#0 [2024-12-02 07:00:12,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#1 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#2 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#3 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#4 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#5 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#6 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#7 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#8 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#9 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#10 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#11 [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove#12 [2024-12-02 07:00:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure dsa_is_cpu_port [2024-12-02 07:00:12,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dsa_is_cpu_port [2024-12-02 07:00:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:00:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:00:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:00:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2024-12-02 07:00:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_reg_read [2024-12-02 07:00:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_reg_read [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2024-12-02 07:00:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2024-12-02 07:00:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure mv88e6xxx_ppu_access_get [2024-12-02 07:00:12,041 INFO L138 BoogieDeclarations]: Found implementation of procedure mv88e6xxx_ppu_access_get [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-12-02 07:00:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:00:12,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:00:12,504 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:00:12,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:00:17,626 INFO L? ?]: Removed 771 outVars from TransFormulas that were not future-live. [2024-12-02 07:00:17,626 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:00:17,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:00:17,652 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 07:00:17,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:17 BoogieIcfgContainer [2024-12-02 07:00:17,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:00:17,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:00:17,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:00:17,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:00:17,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:00:09" (1/3) ... [2024-12-02 07:00:17,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c9af02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:17, skipping insertion in model container [2024-12-02 07:00:17,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:11" (2/3) ... [2024-12-02 07:00:17,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c9af02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:17, skipping insertion in model container [2024-12-02 07:00:17,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:17" (3/3) ... [2024-12-02 07:00:17,664 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--dsa--mv88e6xxx_drv.ko-ldv_main2.cil.out.i [2024-12-02 07:00:17,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:00:17,684 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. [2024-12-02 07:00:17,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:00:17,774 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;@130aa0af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:00:17,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:00:17,781 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) [2024-12-02 07:00:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 07:00:17,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:17,789 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:17,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:17,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:17,796 INFO L85 PathProgramCache]: Analyzing trace with hash -114947798, now seen corresponding path program 1 times [2024-12-02 07:00:17,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:17,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981978314] [2024-12-02 07:00:17,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:19,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:19,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:19,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981978314] [2024-12-02 07:00:19,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981978314] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:19,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:19,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:19,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919709000] [2024-12-02 07:00:19,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:19,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:19,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:19,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:19,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:19,104 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) [2024-12-02 07:00:19,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:19,996 INFO L93 Difference]: Finished difference Result 1213 states and 1864 transitions. [2024-12-02 07:00:19,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:19,999 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 [2024-12-02 07:00:19,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:20,013 INFO L225 Difference]: With dead ends: 1213 [2024-12-02 07:00:20,014 INFO L226 Difference]: Without dead ends: 602 [2024-12-02 07:00:20,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:20,029 INFO L435 NwaCegarLoop]: 874 mSDtfsCounter, 866 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:20,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 876 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 07:00:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-12-02 07:00:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2024-12-02 07:00:20,115 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) [2024-12-02 07:00:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 869 transitions. [2024-12-02 07:00:20,132 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 869 transitions. Word has length 12 [2024-12-02 07:00:20,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:20,132 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 869 transitions. [2024-12-02 07:00:20,132 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) [2024-12-02 07:00:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 869 transitions. [2024-12-02 07:00:20,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 07:00:20,133 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:20,133 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:20,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:00:20,134 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:20,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:20,134 INFO L85 PathProgramCache]: Analyzing trace with hash 730592750, now seen corresponding path program 1 times [2024-12-02 07:00:20,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:20,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566561398] [2024-12-02 07:00:20,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:20,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:20,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:20,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566561398] [2024-12-02 07:00:20,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566561398] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:20,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:20,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:20,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681850622] [2024-12-02 07:00:20,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:20,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:20,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:20,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:20,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:20,955 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) [2024-12-02 07:00:22,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:00:22,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:22,243 INFO L93 Difference]: Finished difference Result 604 states and 870 transitions. [2024-12-02 07:00:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:22,243 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 [2024-12-02 07:00:22,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:22,248 INFO L225 Difference]: With dead ends: 604 [2024-12-02 07:00:22,248 INFO L226 Difference]: Without dead ends: 601 [2024-12-02 07:00:22,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:22,250 INFO L435 NwaCegarLoop]: 866 mSDtfsCounter, 857 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:22,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 868 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 07:00:22,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-12-02 07:00:22,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2024-12-02 07:00:22,287 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) [2024-12-02 07:00:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 867 transitions. [2024-12-02 07:00:22,294 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 867 transitions. Word has length 13 [2024-12-02 07:00:22,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:22,294 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 867 transitions. [2024-12-02 07:00:22,294 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) [2024-12-02 07:00:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 867 transitions. [2024-12-02 07:00:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 07:00:22,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:22,295 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:22,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:00:22,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:22,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:22,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1172550829, now seen corresponding path program 1 times [2024-12-02 07:00:22,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:22,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658170925] [2024-12-02 07:00:22,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:22,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:22,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:22,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658170925] [2024-12-02 07:00:22,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658170925] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:22,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:22,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:22,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245267139] [2024-12-02 07:00:22,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:22,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:22,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:22,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:22,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:22,896 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) [2024-12-02 07:00:23,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:23,759 INFO L93 Difference]: Finished difference Result 1748 states and 2532 transitions. [2024-12-02 07:00:23,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:23,760 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 [2024-12-02 07:00:23,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:23,775 INFO L225 Difference]: With dead ends: 1748 [2024-12-02 07:00:23,776 INFO L226 Difference]: Without dead ends: 1153 [2024-12-02 07:00:23,780 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:23,782 INFO L435 NwaCegarLoop]: 1297 mSDtfsCounter, 808 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:23,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 2135 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:00:23,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-12-02 07:00:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1146. [2024-12-02 07:00:23,892 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) [2024-12-02 07:00:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1659 transitions. [2024-12-02 07:00:23,908 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1659 transitions. Word has length 14 [2024-12-02 07:00:23,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:23,908 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1659 transitions. [2024-12-02 07:00:23,909 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) [2024-12-02 07:00:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1659 transitions. [2024-12-02 07:00:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 07:00:23,910 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:23,910 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:23,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:00:23,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:23,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:23,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1988354257, now seen corresponding path program 1 times [2024-12-02 07:00:23,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:23,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517510066] [2024-12-02 07:00:23,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:24,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:24,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517510066] [2024-12-02 07:00:24,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517510066] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:24,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:24,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:24,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919548654] [2024-12-02 07:00:24,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:24,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:24,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:24,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:24,788 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) [2024-12-02 07:00:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:25,847 INFO L93 Difference]: Finished difference Result 1238 states and 1777 transitions. [2024-12-02 07:00:25,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:25,848 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 [2024-12-02 07:00:25,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:25,855 INFO L225 Difference]: With dead ends: 1238 [2024-12-02 07:00:25,855 INFO L226 Difference]: Without dead ends: 1234 [2024-12-02 07:00:25,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:25,857 INFO L435 NwaCegarLoop]: 872 mSDtfsCounter, 796 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:25,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 984 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 07:00:25,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2024-12-02 07:00:25,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1232. [2024-12-02 07:00:25,910 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) [2024-12-02 07:00:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1770 transitions. [2024-12-02 07:00:25,917 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1770 transitions. Word has length 15 [2024-12-02 07:00:25,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:25,917 INFO L471 AbstractCegarLoop]: Abstraction has 1232 states and 1770 transitions. [2024-12-02 07:00:25,917 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) [2024-12-02 07:00:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1770 transitions. [2024-12-02 07:00:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-02 07:00:25,918 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:25,918 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:25,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:00:25,918 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:25,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:25,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1508461616, now seen corresponding path program 1 times [2024-12-02 07:00:25,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:25,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051676934] [2024-12-02 07:00:25,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:25,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:26,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:26,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051676934] [2024-12-02 07:00:26,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051676934] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:26,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:26,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:26,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270591783] [2024-12-02 07:00:26,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:26,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:26,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:26,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:26,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:26,645 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) [2024-12-02 07:00:27,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:27,309 INFO L93 Difference]: Finished difference Result 1438 states and 2037 transitions. [2024-12-02 07:00:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:27,309 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 [2024-12-02 07:00:27,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:27,315 INFO L225 Difference]: With dead ends: 1438 [2024-12-02 07:00:27,315 INFO L226 Difference]: Without dead ends: 1428 [2024-12-02 07:00:27,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:27,317 INFO L435 NwaCegarLoop]: 930 mSDtfsCounter, 751 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:27,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [751 Valid, 1156 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:00:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2024-12-02 07:00:27,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1425. [2024-12-02 07:00:27,381 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) [2024-12-02 07:00:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 2021 transitions. [2024-12-02 07:00:27,390 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 2021 transitions. Word has length 16 [2024-12-02 07:00:27,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:27,390 INFO L471 AbstractCegarLoop]: Abstraction has 1425 states and 2021 transitions. [2024-12-02 07:00:27,391 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) [2024-12-02 07:00:27,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2021 transitions. [2024-12-02 07:00:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 07:00:27,394 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:27,394 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] [2024-12-02 07:00:27,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:00:27,395 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:27,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:27,395 INFO L85 PathProgramCache]: Analyzing trace with hash -2143556034, now seen corresponding path program 1 times [2024-12-02 07:00:27,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:27,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410281554] [2024-12-02 07:00:27,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:27,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410281554] [2024-12-02 07:00:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410281554] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:28,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:28,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:00:28,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945811624] [2024-12-02 07:00:28,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:28,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:00:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:28,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:00:28,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:00:28,407 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) [2024-12-02 07:00:28,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:28,570 INFO L93 Difference]: Finished difference Result 2849 states and 4045 transitions. [2024-12-02 07:00:28,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:00:28,571 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 [2024-12-02 07:00:28,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:28,581 INFO L225 Difference]: With dead ends: 2849 [2024-12-02 07:00:28,581 INFO L226 Difference]: Without dead ends: 1430 [2024-12-02 07:00:28,589 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 [2024-12-02 07:00:28,590 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:28,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:00:28,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-02 07:00:28,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-12-02 07:00:28,686 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) [2024-12-02 07:00:28,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2029 transitions. [2024-12-02 07:00:28,698 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2029 transitions. Word has length 50 [2024-12-02 07:00:28,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:28,699 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2029 transitions. [2024-12-02 07:00:28,699 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) [2024-12-02 07:00:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2029 transitions. [2024-12-02 07:00:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-02 07:00:28,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:28,702 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] [2024-12-02 07:00:28,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:00:28,703 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:28,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:28,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1853306503, now seen corresponding path program 1 times [2024-12-02 07:00:28,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:28,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189269490] [2024-12-02 07:00:28,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:28,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:00:29,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:29,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189269490] [2024-12-02 07:00:29,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189269490] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:29,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:29,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 07:00:29,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066150908] [2024-12-02 07:00:29,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:29,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 07:00:29,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:29,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 07:00:29,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:00:29,790 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) [2024-12-02 07:00:29,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:29,939 INFO L93 Difference]: Finished difference Result 2856 states and 4055 transitions. [2024-12-02 07:00:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:00:29,940 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 [2024-12-02 07:00:29,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:29,950 INFO L225 Difference]: With dead ends: 2856 [2024-12-02 07:00:29,950 INFO L226 Difference]: Without dead ends: 1432 [2024-12-02 07:00:29,959 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 [2024-12-02 07:00:29,959 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:29,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:00:29,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-12-02 07:00:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-12-02 07:00:30,055 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) [2024-12-02 07:00:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2031 transitions. [2024-12-02 07:00:30,066 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2031 transitions. Word has length 51 [2024-12-02 07:00:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:30,067 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2031 transitions. [2024-12-02 07:00:30,067 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) [2024-12-02 07:00:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2031 transitions. [2024-12-02 07:00:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-02 07:00:30,069 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:30,070 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] [2024-12-02 07:00:30,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:00:30,070 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:30,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:30,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1839129382, now seen corresponding path program 1 times [2024-12-02 07:00:30,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:30,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292137914] [2024-12-02 07:00:30,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:30,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:31,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:00:31,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:31,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292137914] [2024-12-02 07:00:31,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292137914] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:31,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:31,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:31,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568358174] [2024-12-02 07:00:31,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:31,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:31,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:31,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:31,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:31,119 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) [2024-12-02 07:00:32,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:32,071 INFO L93 Difference]: Finished difference Result 1434 states and 2032 transitions. [2024-12-02 07:00:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:32,071 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 [2024-12-02 07:00:32,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:32,081 INFO L225 Difference]: With dead ends: 1434 [2024-12-02 07:00:32,081 INFO L226 Difference]: Without dead ends: 1431 [2024-12-02 07:00:32,083 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 [2024-12-02 07:00:32,083 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, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:32,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1700 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 07:00:32,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2024-12-02 07:00:32,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2024-12-02 07:00:32,171 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) [2024-12-02 07:00:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2026 transitions. [2024-12-02 07:00:32,181 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2026 transitions. Word has length 55 [2024-12-02 07:00:32,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:32,182 INFO L471 AbstractCegarLoop]: Abstraction has 1431 states and 2026 transitions. [2024-12-02 07:00:32,182 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) [2024-12-02 07:00:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2026 transitions. [2024-12-02 07:00:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 07:00:32,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:32,185 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] [2024-12-02 07:00:32,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:00:32,185 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:32,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:32,186 INFO L85 PathProgramCache]: Analyzing trace with hash 292708499, now seen corresponding path program 1 times [2024-12-02 07:00:32,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:32,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939978156] [2024-12-02 07:00:32,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:00:33,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:33,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939978156] [2024-12-02 07:00:33,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939978156] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:33,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:33,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:33,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094360404] [2024-12-02 07:00:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:33,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:33,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:33,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:33,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:33,055 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) [2024-12-02 07:00:34,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:00:34,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:34,189 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2024-12-02 07:00:34,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:34,189 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 [2024-12-02 07:00:34,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:34,198 INFO L225 Difference]: With dead ends: 1433 [2024-12-02 07:00:34,198 INFO L226 Difference]: Without dead ends: 1430 [2024-12-02 07:00:34,199 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 [2024-12-02 07:00:34,199 INFO L435 NwaCegarLoop]: 912 mSDtfsCounter, 210 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:34,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1669 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 07:00:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-02 07:00:34,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2024-12-02 07:00:34,251 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) [2024-12-02 07:00:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2023 transitions. [2024-12-02 07:00:34,258 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2023 transitions. Word has length 72 [2024-12-02 07:00:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:34,258 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2023 transitions. [2024-12-02 07:00:34,258 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) [2024-12-02 07:00:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2023 transitions. [2024-12-02 07:00:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 07:00:34,261 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:34,261 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] [2024-12-02 07:00:34,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 07:00:34,262 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:34,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:34,262 INFO L85 PathProgramCache]: Analyzing trace with hash 18136525, now seen corresponding path program 1 times [2024-12-02 07:00:34,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:34,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893459189] [2024-12-02 07:00:34,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:34,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:00:35,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:35,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893459189] [2024-12-02 07:00:35,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893459189] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:35,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 07:00:35,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295206127] [2024-12-02 07:00:35,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:35,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 07:00:35,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:35,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 07:00:35,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 07:00:35,051 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) [2024-12-02 07:00:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:36,134 INFO L93 Difference]: Finished difference Result 2856 states and 4041 transitions. [2024-12-02 07:00:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 07:00:36,134 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 [2024-12-02 07:00:36,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:36,146 INFO L225 Difference]: With dead ends: 2856 [2024-12-02 07:00:36,146 INFO L226 Difference]: Without dead ends: 1432 [2024-12-02 07:00:36,152 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 [2024-12-02 07:00:36,153 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 [2024-12-02 07:00:36,153 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] [2024-12-02 07:00:36,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-12-02 07:00:36,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1430. [2024-12-02 07:00:36,243 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) [2024-12-02 07:00:36,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2015 transitions. [2024-12-02 07:00:36,254 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2015 transitions. Word has length 80 [2024-12-02 07:00:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:36,254 INFO L471 AbstractCegarLoop]: Abstraction has 1430 states and 2015 transitions. [2024-12-02 07:00:36,254 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) [2024-12-02 07:00:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2015 transitions. [2024-12-02 07:00:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 07:00:36,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:36,258 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] [2024-12-02 07:00:36,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:00:36,258 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:36,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:36,259 INFO L85 PathProgramCache]: Analyzing trace with hash -219142900, now seen corresponding path program 1 times [2024-12-02 07:00:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:36,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832781016] [2024-12-02 07:00:36,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:37,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 07:00:37,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:37,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832781016] [2024-12-02 07:00:37,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832781016] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:37,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:37,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:00:37,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84161111] [2024-12-02 07:00:37,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:37,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:00:37,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:37,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:00:37,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:00:37,077 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) [2024-12-02 07:00:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:37,200 INFO L93 Difference]: Finished difference Result 2856 states and 4029 transitions. [2024-12-02 07:00:37,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:00:37,201 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 [2024-12-02 07:00:37,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:37,211 INFO L225 Difference]: With dead ends: 2856 [2024-12-02 07:00:37,211 INFO L226 Difference]: Without dead ends: 1432 [2024-12-02 07:00:37,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:00:37,219 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 [2024-12-02 07:00:37,219 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] [2024-12-02 07:00:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-12-02 07:00:37,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2024-12-02 07:00:37,306 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) [2024-12-02 07:00:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2017 transitions. [2024-12-02 07:00:37,317 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2017 transitions. Word has length 91 [2024-12-02 07:00:37,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:37,317 INFO L471 AbstractCegarLoop]: Abstraction has 1432 states and 2017 transitions. [2024-12-02 07:00:37,317 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) [2024-12-02 07:00:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2017 transitions. [2024-12-02 07:00:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 07:00:37,322 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:37,322 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] [2024-12-02 07:00:37,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:00:37,323 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:37,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:37,324 INFO L85 PathProgramCache]: Analyzing trace with hash -458590211, now seen corresponding path program 1 times [2024-12-02 07:00:37,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:37,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545465472] [2024-12-02 07:00:37,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:37,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-02 07:00:38,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:38,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545465472] [2024-12-02 07:00:38,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545465472] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:38,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:38,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:00:38,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243193805] [2024-12-02 07:00:38,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:38,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:00:38,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:38,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:00:38,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:38,988 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) [2024-12-02 07:00:39,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:39,114 INFO L93 Difference]: Finished difference Result 1510 states and 2109 transitions. [2024-12-02 07:00:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:00:39,115 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 [2024-12-02 07:00:39,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:39,121 INFO L225 Difference]: With dead ends: 1510 [2024-12-02 07:00:39,121 INFO L226 Difference]: Without dead ends: 1430 [2024-12-02 07:00:39,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:39,123 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 [2024-12-02 07:00:39,123 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] [2024-12-02 07:00:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2024-12-02 07:00:39,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1429. [2024-12-02 07:00:39,175 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) [2024-12-02 07:00:39,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 2012 transitions. [2024-12-02 07:00:39,182 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 2012 transitions. Word has length 136 [2024-12-02 07:00:39,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:39,183 INFO L471 AbstractCegarLoop]: Abstraction has 1429 states and 2012 transitions. [2024-12-02 07:00:39,183 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) [2024-12-02 07:00:39,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2012 transitions. [2024-12-02 07:00:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 07:00:39,186 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:39,186 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] [2024-12-02 07:00:39,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 07:00:39,186 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:39,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:39,187 INFO L85 PathProgramCache]: Analyzing trace with hash 493599295, now seen corresponding path program 1 times [2024-12-02 07:00:39,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:39,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772015948] [2024-12-02 07:00:39,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-02 07:00:40,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:40,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772015948] [2024-12-02 07:00:40,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772015948] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:40,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:40,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:00:40,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639917959] [2024-12-02 07:00:40,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:40,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:00:40,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:40,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:00:40,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:40,531 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) [2024-12-02 07:00:40,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:40,656 INFO L93 Difference]: Finished difference Result 1496 states and 2093 transitions. [2024-12-02 07:00:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:00:40,656 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 [2024-12-02 07:00:40,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:40,663 INFO L225 Difference]: With dead ends: 1496 [2024-12-02 07:00:40,663 INFO L226 Difference]: Without dead ends: 1420 [2024-12-02 07:00:40,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:40,665 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 [2024-12-02 07:00:40,665 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] [2024-12-02 07:00:40,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1420 states. [2024-12-02 07:00:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1420 to 1419. [2024-12-02 07:00:40,717 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) [2024-12-02 07:00:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 2000 transitions. [2024-12-02 07:00:40,723 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 2000 transitions. Word has length 133 [2024-12-02 07:00:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:40,724 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 2000 transitions. [2024-12-02 07:00:40,724 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) [2024-12-02 07:00:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2000 transitions. [2024-12-02 07:00:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-12-02 07:00:40,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:40,728 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] [2024-12-02 07:00:40,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 07:00:40,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:40,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:40,729 INFO L85 PathProgramCache]: Analyzing trace with hash -333333859, now seen corresponding path program 1 times [2024-12-02 07:00:40,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:40,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962502153] [2024-12-02 07:00:40,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:40,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-02 07:00:42,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:42,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962502153] [2024-12-02 07:00:42,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962502153] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:42,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:42,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:00:42,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865040277] [2024-12-02 07:00:42,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:42,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:00:42,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:42,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:00:42,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:42,228 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) [2024-12-02 07:00:42,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:42,363 INFO L93 Difference]: Finished difference Result 2829 states and 3993 transitions. [2024-12-02 07:00:42,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:00:42,364 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 [2024-12-02 07:00:42,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:42,375 INFO L225 Difference]: With dead ends: 2829 [2024-12-02 07:00:42,376 INFO L226 Difference]: Without dead ends: 1416 [2024-12-02 07:00:42,382 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 [2024-12-02 07:00:42,382 INFO L435 NwaCegarLoop]: 847 mSDtfsCounter, 0 mSDsluCounter, 4215 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:00:42,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5062 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:00:42,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2024-12-02 07:00:42,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1414. [2024-12-02 07:00:42,467 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) [2024-12-02 07:00:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1993 transitions. [2024-12-02 07:00:42,477 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1993 transitions. Word has length 173 [2024-12-02 07:00:42,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:42,478 INFO L471 AbstractCegarLoop]: Abstraction has 1414 states and 1993 transitions. [2024-12-02 07:00:42,479 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) [2024-12-02 07:00:42,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1993 transitions. [2024-12-02 07:00:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 07:00:42,485 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:00:42,485 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] [2024-12-02 07:00:42,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 07:00:42,485 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:00:42,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:00:42,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1114213986, now seen corresponding path program 1 times [2024-12-02 07:00:42,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:00:42,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82079752] [2024-12-02 07:00:42,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:00:42,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:00:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:00:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-02 07:00:43,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:00:43,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82079752] [2024-12-02 07:00:43,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82079752] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:00:43,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:00:43,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:00:43,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224842564] [2024-12-02 07:00:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:00:43,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:00:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:00:43,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:00:43,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:00:43,626 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) [2024-12-02 07:00:43,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:00:43,764 INFO L93 Difference]: Finished difference Result 1516 states and 2125 transitions. [2024-12-02 07:00:43,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:00:43,765 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 [2024-12-02 07:00:43,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:00:43,768 INFO L225 Difference]: With dead ends: 1516 [2024-12-02 07:00:43,768 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 07:00:43,773 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 [2024-12-02 07:00:43,774 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 [2024-12-02 07:00:43,774 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] [2024-12-02 07:00:43,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 07:00:43,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 07:00:43,775 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) [2024-12-02 07:00:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 07:00:43,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2024-12-02 07:00:43,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:00:43,777 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:00:43,778 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) [2024-12-02 07:00:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:00:43,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 07:00:43,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:00:43,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 07:00:43,785 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:00:43,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 07:00:52,396 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:00:52,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:00:52 BoogieIcfgContainer [2024-12-02 07:00:52,411 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:00:52,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:00:52,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:00:52,412 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:00:52,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:17" (3/4) ... [2024-12-02 07:00:52,415 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_ethtool_stats [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_config_prio [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_get_strings [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_read [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usleep_range [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6131_port_to_phy_addr [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_put [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_stats_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_wait_ready [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_smi_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_smi_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#4 [2024-12-02 07:00:52,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#3 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mv88e6xxx_reg_read [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#6 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#5 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#8 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#7 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_is_cpu_port [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#9 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value_probe [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_ppu_mutex_of_mv88e6xxx_priv_state [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#11 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#10 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_stats_wait [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#0 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#2 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#1 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memmove#12 [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_read [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_read [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dsa_upstream_port [2024-12-02 07:00:52,423 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2024-12-02 07:00:52,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_ppu_access_get [2024-12-02 07:00:52,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-12-02 07:00:52,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mdiobus_write [2024-12-02 07:00:52,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mv88e6xxx_reg_write [2024-12-02 07:00:52,463 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 170 nodes and edges [2024-12-02 07:00:52,468 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-12-02 07:00:52,473 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-02 07:00:52,479 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 07:00:52,482 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 07:00:52,485 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 07:00:52,533 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)) [2024-12-02 07:00:52,534 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)) [2024-12-02 07:00:53,143 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)) [2024-12-02 07:00:53,143 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)) [2024-12-02 07:00:53,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 07:00:53,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 07:00:53,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:00:53,197 INFO L158 Benchmark]: Toolchain (without parser) took 43473.03ms. Allocated memory was 117.4MB in the beginning and 931.1MB in the end (delta: 813.7MB). Free memory was 83.6MB in the beginning and 552.7MB in the end (delta: -469.1MB). Peak memory consumption was 672.1MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,198 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:00:53,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1697.19ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.6MB in the beginning and 55.0MB in the end (delta: 28.6MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 208.94ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 69.8MB in the end (delta: -14.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,199 INFO L158 Benchmark]: Boogie Preprocessor took 325.32ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 60.7MB in the end (delta: 9.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,199 INFO L158 Benchmark]: RCFGBuilder took 5693.77ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 59.9MB in the beginning and 134.0MB in the end (delta: -74.1MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,199 INFO L158 Benchmark]: TraceAbstraction took 34755.60ms. Allocated memory was 276.8MB in the beginning and 931.1MB in the end (delta: 654.3MB). Free memory was 134.0MB in the beginning and 378.5MB in the end (delta: -244.5MB). Peak memory consumption was 492.3MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,199 INFO L158 Benchmark]: Witness Printer took 784.73ms. Allocated memory is still 931.1MB. Free memory was 378.5MB in the beginning and 552.7MB in the end (delta: -174.2MB). Peak memory consumption was 153.2MB. Max. memory is 16.1GB. [2024-12-02 07:00:53,202 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1697.19ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.6MB in the beginning and 55.0MB in the end (delta: 28.6MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 208.94ms. Allocated memory is still 142.6MB. Free memory was 55.0MB in the beginning and 69.8MB in the end (delta: -14.8MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 325.32ms. Allocated memory is still 142.6MB. Free memory was 69.8MB in the beginning and 60.7MB in the end (delta: 9.2MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5693.77ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 59.9MB in the beginning and 134.0MB in the end (delta: -74.1MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB. * TraceAbstraction took 34755.60ms. Allocated memory was 276.8MB in the beginning and 931.1MB in the end (delta: 654.3MB). Free memory was 134.0MB in the beginning and 378.5MB in the end (delta: -244.5MB). Peak memory consumption was 492.3MB. Max. memory is 16.1GB. * Witness Printer took 784.73ms. Allocated memory is still 931.1MB. Free memory was 378.5MB in the beginning and 552.7MB in the end (delta: -174.2MB). Peak memory consumption was 153.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6914]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 671 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.1s, OverallIterations: 15, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5211 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5209 mSDsluCounter, 43040 SdHoareTripleChecker+Invalid, 7.5s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: 1.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 1083 NumberOfCodeBlocks, 1083 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1068 ConstructedInterpolants, 0 QuantifiedInterpolants, 1346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 256/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4682]: Location Invariant Derived location invariant: ((((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state))) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2))) || (((((1 == ldv_mutex_mutex_of_device) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 2)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state))) - InvariantResult [Line: 4959]: Location Invariant Derived location invariant: (((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (\old(ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state) == 1)) && (2 == ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state)) - InvariantResult [Line: 6312]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 5235]: Location Invariant Derived location invariant: ((((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (\old(ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state) == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) && (2 == ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state)) - InvariantResult [Line: 6384]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 6859]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) - InvariantResult [Line: 6312]: Location Invariant Derived location invariant: (((((ldv_mutex_smi_mutex_of_mv88e6xxx_priv_state == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_stats_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_ppu_mutex_of_mv88e6xxx_priv_state == 1)) && (ldv_mutex_lock == 1)) RESULT: Ultimate proved your program to be correct! [2024-12-02 07:00:53,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc58de67-732e-4ab4-99fb-29348d284925/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE