./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/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_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/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_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/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 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:22:31,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:22:31,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 06:22:31,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:22:31,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:22:31,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:22:31,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:22:31,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:22:31,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:22:31,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:22:31,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:22:31,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:22:31,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:22:31,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:22:31,385 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:22:31,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:22:31,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 06:22:31,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:22:31,386 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:22:31,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:22:31,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:22:31,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:22:31,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:22:31,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:22:31,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:22:31,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:22:31,388 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_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/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 -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2024-12-02 06:22:31,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:22:31,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:22:31,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:22:31,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:22:31,640 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:22:31,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-12-02 06:22:34,304 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/data/07329eae5/04d5b803a8b74151883a016675a28df8/FLAG9c53ad306 [2024-12-02 06:22:34,688 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:22:34,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-12-02 06:22:34,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/data/07329eae5/04d5b803a8b74151883a016675a28df8/FLAG9c53ad306 [2024-12-02 06:22:34,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/data/07329eae5/04d5b803a8b74151883a016675a28df8 [2024-12-02 06:22:34,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:22:34,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:22:34,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:22:34,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:22:34,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:22:34,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:22:34" (1/1) ... [2024-12-02 06:22:34,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5103e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:34, skipping insertion in model container [2024-12-02 06:22:34,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:22:34" (1/1) ... [2024-12-02 06:22:34,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:22:35,455 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_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-12-02 06:22:35,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:22:35,716 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:22:35,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-12-02 06:22:35,866 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_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2024-12-02 06:22:35,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:22:35,948 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:22:35,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35 WrapperNode [2024-12-02 06:22:35,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:22:35,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:22:35,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:22:35,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:22:35,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:35,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,051 INFO L138 Inliner]: procedures = 125, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1172 [2024-12-02 06:22:36,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:22:36,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:22:36,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:22:36,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:22:36,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,067 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,155 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 18, 8, 8, 19, 3, 7, 121, 44, 2]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 15, 8, 8, 0, 0, 0, 34, 0, 0]. The 97 writes are split as follows [0, 1, 0, 0, 19, 1, 6, 25, 44, 1]. [2024-12-02 06:22:36,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:22:36,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:22:36,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:22:36,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:22:36,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (1/1) ... [2024-12-02 06:22:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:22:36,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:22:36,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:22:36,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 06:22:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 06:22:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 06:22:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 06:22:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-12-02 06:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-12-02 06:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-12-02 06:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-12-02 06:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 06:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 06:22:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-12-02 06:22:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 06:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-12-02 06:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-12-02 06:22:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 06:22:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-12-02 06:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-12-02 06:22:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-12-02 06:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 06:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 06:22:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-12-02 06:22:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 06:22:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-12-02 06:22:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 06:22:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-12-02 06:22:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-12-02 06:22:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 06:22:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-12-02 06:22:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-12-02 06:22:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 06:22:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-12-02 06:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-12-02 06:22:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 06:22:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 06:22:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 06:22:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 06:22:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:22:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:22:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-12-02 06:22:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-12-02 06:22:36,620 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:22:36,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:22:36,640 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 06:22:41,888 INFO L? ?]: Removed 574 outVars from TransFormulas that were not future-live. [2024-12-02 06:22:41,888 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:22:41,902 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:22:41,902 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 06:22:41,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:22:41 BoogieIcfgContainer [2024-12-02 06:22:41,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:22:41,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:22:41,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:22:41,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:22:41,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:22:34" (1/3) ... [2024-12-02 06:22:41,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18253e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:22:41, skipping insertion in model container [2024-12-02 06:22:41,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:22:35" (2/3) ... [2024-12-02 06:22:41,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18253e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:22:41, skipping insertion in model container [2024-12-02 06:22:41,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:22:41" (3/3) ... [2024-12-02 06:22:41,911 INFO L128 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-12-02 06:22:41,921 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:22:41,923 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i that has 32 procedures, 369 locations, 1 initial locations, 14 loop locations, and 1 error locations. [2024-12-02 06:22:41,993 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:22:42,005 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;@55078907, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:22:42,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 06:22:42,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 261 states have (on average 1.3869731800766283) internal successors, (362), 271 states have internal predecessors, (362), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 06:22:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-02 06:22:42,018 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:42,019 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] [2024-12-02 06:22:42,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:22:42,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:42,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1320296239, now seen corresponding path program 1 times [2024-12-02 06:22:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:42,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812954087] [2024-12-02 06:22:42,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 06:22:43,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:43,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812954087] [2024-12-02 06:22:43,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812954087] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:43,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:43,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:22:43,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380106977] [2024-12-02 06:22:43,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:43,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:22:43,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:43,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:22:43,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:22:43,036 INFO L87 Difference]: Start difference. First operand has 336 states, 261 states have (on average 1.3869731800766283) internal successors, (362), 271 states have internal predecessors, (362), 51 states have call successors, (51), 23 states have call predecessors, (51), 22 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 06:22:47,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:22:47,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:47,203 INFO L93 Difference]: Finished difference Result 956 states and 1363 transitions. [2024-12-02 06:22:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:22:47,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-12-02 06:22:47,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:47,218 INFO L225 Difference]: With dead ends: 956 [2024-12-02 06:22:47,218 INFO L226 Difference]: Without dead ends: 609 [2024-12-02 06:22:47,224 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 06:22:47,227 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 397 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:47,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 889 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 06:22:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-12-02 06:22:47,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2024-12-02 06:22:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 482 states have (on average 1.3526970954356847) internal successors, (652), 490 states have internal predecessors, (652), 86 states have call successors, (86), 41 states have call predecessors, (86), 40 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-12-02 06:22:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 823 transitions. [2024-12-02 06:22:47,308 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 823 transitions. Word has length 42 [2024-12-02 06:22:47,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:47,309 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 823 transitions. [2024-12-02 06:22:47,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 06:22:47,309 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 823 transitions. [2024-12-02 06:22:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-02 06:22:47,312 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:47,312 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:22:47,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:22:47,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:22:47,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1528458977, now seen corresponding path program 1 times [2024-12-02 06:22:47,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:47,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763086941] [2024-12-02 06:22:47,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 06:22:48,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:48,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763086941] [2024-12-02 06:22:48,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763086941] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:48,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:48,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:22:48,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713925440] [2024-12-02 06:22:48,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:48,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:22:48,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:48,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:22:48,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:22:48,194 INFO L87 Difference]: Start difference. First operand 609 states and 823 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 06:22:48,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:48,354 INFO L93 Difference]: Finished difference Result 1198 states and 1630 transitions. [2024-12-02 06:22:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:22:48,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2024-12-02 06:22:48,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:48,363 INFO L225 Difference]: With dead ends: 1198 [2024-12-02 06:22:48,363 INFO L226 Difference]: Without dead ends: 1189 [2024-12-02 06:22:48,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:22:48,365 INFO L435 NwaCegarLoop]: 432 mSDtfsCounter, 410 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1702 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:48,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1702 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:22:48,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-12-02 06:22:48,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1183. [2024-12-02 06:22:48,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 937 states have (on average 1.3553895410885806) internal successors, (1270), 953 states have internal predecessors, (1270), 167 states have call successors, (167), 79 states have call predecessors, (167), 78 states have return successors, (174), 166 states have call predecessors, (174), 166 states have call successors, (174) [2024-12-02 06:22:48,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1611 transitions. [2024-12-02 06:22:48,433 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1611 transitions. Word has length 52 [2024-12-02 06:22:48,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:48,434 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1611 transitions. [2024-12-02 06:22:48,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 06:22:48,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1611 transitions. [2024-12-02 06:22:48,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 06:22:48,442 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:48,443 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:22:48,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:22:48,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:22:48,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:48,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1833280950, now seen corresponding path program 1 times [2024-12-02 06:22:48,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:48,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084550307] [2024-12-02 06:22:48,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:48,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-12-02 06:22:49,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:49,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084550307] [2024-12-02 06:22:49,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084550307] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:49,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:49,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:22:49,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659391004] [2024-12-02 06:22:49,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:49,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:22:49,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:49,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:22:49,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:22:49,025 INFO L87 Difference]: Start difference. First operand 1183 states and 1611 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 06:22:49,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:49,163 INFO L93 Difference]: Finished difference Result 2576 states and 3529 transitions. [2024-12-02 06:22:49,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:22:49,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2024-12-02 06:22:49,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:49,172 INFO L225 Difference]: With dead ends: 2576 [2024-12-02 06:22:49,172 INFO L226 Difference]: Without dead ends: 1413 [2024-12-02 06:22:49,176 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 06:22:49,177 INFO L435 NwaCegarLoop]: 448 mSDtfsCounter, 115 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:49,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 840 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 06:22:49,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-12-02 06:22:49,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1404. [2024-12-02 06:22:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1135 states have (on average 1.377092511013216) internal successors, (1563), 1151 states have internal predecessors, (1563), 180 states have call successors, (180), 89 states have call predecessors, (180), 88 states have return successors, (187), 179 states have call predecessors, (187), 179 states have call successors, (187) [2024-12-02 06:22:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1930 transitions. [2024-12-02 06:22:49,251 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1930 transitions. Word has length 162 [2024-12-02 06:22:49,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:49,252 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1930 transitions. [2024-12-02 06:22:49,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 06:22:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1930 transitions. [2024-12-02 06:22:49,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 06:22:49,258 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:49,258 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:22:49,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:22:49,258 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:22:49,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:49,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1212169182, now seen corresponding path program 1 times [2024-12-02 06:22:49,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:49,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260860565] [2024-12-02 06:22:49,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:49,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-02 06:22:49,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:49,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260860565] [2024-12-02 06:22:49,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260860565] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:49,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:49,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:22:49,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217531015] [2024-12-02 06:22:49,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:49,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:22:49,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:49,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:22:49,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:22:49,868 INFO L87 Difference]: Start difference. First operand 1404 states and 1930 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 06:22:53,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:22:54,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:54,065 INFO L93 Difference]: Finished difference Result 3846 states and 5283 transitions. [2024-12-02 06:22:54,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:22:54,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 184 [2024-12-02 06:22:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:54,081 INFO L225 Difference]: With dead ends: 3846 [2024-12-02 06:22:54,081 INFO L226 Difference]: Without dead ends: 2473 [2024-12-02 06:22:54,087 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 06:22:54,087 INFO L435 NwaCegarLoop]: 518 mSDtfsCounter, 383 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 912 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:54,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 912 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 06:22:54,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2024-12-02 06:22:54,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 2464. [2024-12-02 06:22:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1981 states have (on average 1.3634528016153458) internal successors, (2701), 2013 states have internal predecessors, (2701), 320 states have call successors, (320), 163 states have call predecessors, (320), 162 states have return successors, (331), 319 states have call predecessors, (331), 319 states have call successors, (331) [2024-12-02 06:22:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3352 transitions. [2024-12-02 06:22:54,222 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3352 transitions. Word has length 184 [2024-12-02 06:22:54,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:54,222 INFO L471 AbstractCegarLoop]: Abstraction has 2464 states and 3352 transitions. [2024-12-02 06:22:54,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-12-02 06:22:54,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3352 transitions. [2024-12-02 06:22:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 06:22:54,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:54,229 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:22:54,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:22:54,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:22:54,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:54,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1838934318, now seen corresponding path program 1 times [2024-12-02 06:22:54,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:54,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12967216] [2024-12-02 06:22:54,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:54,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 06:22:54,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:54,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12967216] [2024-12-02 06:22:54,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12967216] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:54,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:54,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 06:22:54,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493131541] [2024-12-02 06:22:54,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:54,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:22:54,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:54,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:22:54,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:22:54,776 INFO L87 Difference]: Start difference. First operand 2464 states and 3352 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 06:22:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:22:54,852 INFO L93 Difference]: Finished difference Result 3699 states and 5060 transitions. [2024-12-02 06:22:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:22:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 184 [2024-12-02 06:22:54,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:22:54,884 INFO L225 Difference]: With dead ends: 3699 [2024-12-02 06:22:54,885 INFO L226 Difference]: Without dead ends: 2472 [2024-12-02 06:22:54,888 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 06:22:54,889 INFO L435 NwaCegarLoop]: 436 mSDtfsCounter, 3 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 06:22:54,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 865 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 06:22:54,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2024-12-02 06:22:54,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 2472. [2024-12-02 06:22:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 1989 states have (on average 1.3619909502262444) internal successors, (2709), 2021 states have internal predecessors, (2709), 320 states have call successors, (320), 163 states have call predecessors, (320), 162 states have return successors, (331), 319 states have call predecessors, (331), 319 states have call successors, (331) [2024-12-02 06:22:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3360 transitions. [2024-12-02 06:22:54,995 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3360 transitions. Word has length 184 [2024-12-02 06:22:54,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:22:54,995 INFO L471 AbstractCegarLoop]: Abstraction has 2472 states and 3360 transitions. [2024-12-02 06:22:54,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 06:22:54,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3360 transitions. [2024-12-02 06:22:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 06:22:55,002 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 06:22:55,002 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:22:55,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:22:55,003 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 06:22:55,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:22:55,003 INFO L85 PathProgramCache]: Analyzing trace with hash -954433133, now seen corresponding path program 1 times [2024-12-02 06:22:55,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:22:55,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499512691] [2024-12-02 06:22:55,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:22:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:22:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:22:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-12-02 06:22:55,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:22:55,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499512691] [2024-12-02 06:22:55,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499512691] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:22:55,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:22:55,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 06:22:55,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10234586] [2024-12-02 06:22:55,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:22:55,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 06:22:55,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:22:55,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 06:22:55,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 06:22:55,922 INFO L87 Difference]: Start difference. First operand 2472 states and 3360 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:22:59,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:23:03,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:23:07,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:23:11,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 06:23:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 06:23:13,771 INFO L93 Difference]: Finished difference Result 3670 states and 5005 transitions. [2024-12-02 06:23:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 06:23:13,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 186 [2024-12-02 06:23:13,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 06:23:13,774 INFO L225 Difference]: With dead ends: 3670 [2024-12-02 06:23:13,774 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 06:23:13,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-12-02 06:23:13,785 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 498 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 140 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2024-12-02 06:23:13,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1256 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 960 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2024-12-02 06:23:13,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 06:23:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 06:23:13,786 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 06:23:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 06:23:13,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2024-12-02 06:23:13,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 06:23:13,788 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 06:23:13,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 8 states have internal predecessors, (110), 5 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2024-12-02 06:23:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 06:23:13,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 06:23:13,791 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 06:23:13,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:23:13,793 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 06:23:13,795 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:23:17,312 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:23:17,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:23:17 BoogieIcfgContainer [2024-12-02 06:23:17,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:23:17,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:23:17,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:23:17,327 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:23:17,328 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:22:41" (3/4) ... [2024-12-02 06:23:17,330 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_warn [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-12-02 06:23:17,335 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2024-12-02 06:23:17,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2024-12-02 06:23:17,351 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2024-12-02 06:23:17,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2024-12-02 06:23:17,355 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-02 06:23:17,356 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 06:23:17,358 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:23:17,359 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:23:17,387 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-12-02 06:23:17,388 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-12-02 06:23:17,390 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2024-12-02 06:23:17,466 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-12-02 06:23:17,467 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-12-02 06:23:17,471 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2024-12-02 06:23:17,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:23:17,511 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:23:17,511 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:23:17,511 INFO L158 Benchmark]: Toolchain (without parser) took 42614.49ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 85.0MB in the beginning and 239.1MB in the end (delta: -154.1MB). Peak memory consumption was 121.7MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,512 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:23:17,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.00ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 35.5MB in the end (delta: 49.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.19ms. Allocated memory is still 117.4MB. Free memory was 35.5MB in the beginning and 69.8MB in the end (delta: -34.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,512 INFO L158 Benchmark]: Boogie Preprocessor took 177.05ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 41.9MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,513 INFO L158 Benchmark]: RCFGBuilder took 5672.50ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,513 INFO L158 Benchmark]: TraceAbstraction took 35421.58ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 39.7MB in the beginning and 255.7MB in the end (delta: -216.0MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,513 INFO L158 Benchmark]: Witness Printer took 183.61ms. Allocated memory is still 394.3MB. Free memory was 255.7MB in the beginning and 239.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:23:17,515 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.00ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 35.5MB in the end (delta: 49.5MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.19ms. Allocated memory is still 117.4MB. Free memory was 35.5MB in the beginning and 69.8MB in the end (delta: -34.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.05ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 41.9MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5672.50ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 41.9MB in the beginning and 40.1MB in the end (delta: 1.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 35421.58ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 39.7MB in the beginning and 255.7MB in the end (delta: -216.0MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. * Witness Printer took 183.61ms. Allocated memory is still 394.3MB. Free memory was 255.7MB in the beginning and 239.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5489]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] * 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: 5681]: 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 32 procedures, 369 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 1812 SdHoareTripleChecker+Valid, 26.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1806 mSDsluCounter, 6464 SdHoareTripleChecker+Invalid, 25.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3916 mSDsCounter, 158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1046 IncrementalHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 158 mSolverCounterUnsat, 2548 mSDtfsCounter, 1046 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2472occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 810 NumberOfCodeBlocks, 810 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 364/364 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: 5942]: Location Invariant Derived location invariant: ((\old(last_index) == 0) && (last_index == 0)) - InvariantResult [Line: 5830]: Location Invariant Derived location invariant: ((\old(last_index) == 0) && (last_index == 0)) - InvariantResult [Line: 6432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6418]: Loop Invariant Derived loop invariant: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) RESULT: Ultimate proved your program to be correct! [2024-12-02 06:23:17,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf10b47c-7640-4e36-b9a7-8f7e3b7f208c/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