./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_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/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_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:24:36,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:24:36,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:24:36,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:24:36,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:24:36,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:24:36,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:24:36,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:24:36,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:24:36,922 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:24:36,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:24:36,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:24:36,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:24:36,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:24:36,924 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:24:36,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:24:36,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:24:36,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:24:36,925 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:24:36,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:24:36,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:24:36,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:24:36,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:24:36,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:24:36,926 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:24:36,926 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:24:36,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:36,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:36,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:36,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:36,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:24:36,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:36,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:36,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:36,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:36,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:24:36,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:24:36,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:24:36,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:24:36,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:24:36,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:24:36,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:24:36,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:24:36,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:24:36,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:24:36,931 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_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2024-11-27 20:24:37,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:24:37,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:24:37,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:24:37,393 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:24:37,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:24:37,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-27 20:24:41,246 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/data/6186dcbb4/7456b01d508c461aa46efd69c3794fb7/FLAG2c05e5a32 [2024-11-27 20:24:41,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:24:41,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2024-11-27 20:24:42,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/data/6186dcbb4/7456b01d508c461aa46efd69c3794fb7/FLAG2c05e5a32 [2024-11-27 20:24:42,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/data/6186dcbb4/7456b01d508c461aa46efd69c3794fb7 [2024-11-27 20:24:42,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:24:42,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:24:42,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:42,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:24:42,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:24:42,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:42" (1/1) ... [2024-11-27 20:24:42,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257d2f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:42, skipping insertion in model container [2024-11-27 20:24:42,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:42" (1/1) ... [2024-11-27 20:24:42,226 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:24:43,244 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_989fd1f4-e906-4c00-999b-2f89a710dfa9/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] [2024-11-27 20:24:43,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:43,689 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:24:43,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5489] [2024-11-27 20:24:43,895 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_989fd1f4-e906-4c00-999b-2f89a710dfa9/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] [2024-11-27 20:24:44,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:44,061 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:24:44,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44 WrapperNode [2024-11-27 20:24:44,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:44,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:44,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:24:44,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:24:44,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,254 INFO L138 Inliner]: procedures = 125, calls = 382, calls flagged for inlining = 59, calls inlined = 54, statements flattened = 1172 [2024-11-27 20:24:44,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:44,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:24:44,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:24:44,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:24:44,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,473 INFO L175 MemorySlicer]: Split 232 memory accesses to 10 slices as follows [2, 8, 18, 7, 3, 8, 19, 121, 44, 2]. 52 percent of accesses are in the largest equivalence class. The 67 initializations are split as follows [2, 8, 15, 0, 0, 8, 0, 34, 0, 0]. The 97 writes are split as follows [0, 0, 1, 6, 1, 0, 19, 25, 44, 1]. [2024-11-27 20:24:44,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,577 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:24:44,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:24:44,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:24:44,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:24:44,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (1/1) ... [2024-11-27 20:24:44,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:44,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:24:44,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:24:44,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:24:44,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:24:44,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:24:44,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:24:44,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:24:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:24:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:24:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:24:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:24:44,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:24:44,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:24:44,769 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-27 20:24:44,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-27 20:24:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-27 20:24:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-27 20:24:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2024-11-27 20:24:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2024-11-27 20:24:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-27 20:24:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-27 20:24:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:24:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:24:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-27 20:24:44,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-27 20:24:44,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:24:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:24:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:24:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-27 20:24:44,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-27 20:24:44,774 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-27 20:24:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-27 20:24:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:24:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:24:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2024-11-27 20:24:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2024-11-27 20:24:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:24:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-27 20:24:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-27 20:24:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:24:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:24:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:24:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-27 20:24:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:24:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2024-11-27 20:24:44,777 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2024-11-27 20:24:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:24:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2024-11-27 20:24:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2024-11-27 20:24:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-27 20:24:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-27 20:24:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:24:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:24:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:24:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:24:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-27 20:24:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-27 20:24:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:24:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-27 20:24:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-27 20:24:44,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-27 20:24:44,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:24:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:24:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:24:44,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:24:44,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 20:24:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:24:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:24:44,789 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2024-11-27 20:24:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2024-11-27 20:24:45,506 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:24:45,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:24:45,540 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:24:51,790 INFO L? ?]: Removed 574 outVars from TransFormulas that were not future-live. [2024-11-27 20:24:51,790 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:24:51,815 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:24:51,815 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:24:51,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:51 BoogieIcfgContainer [2024-11-27 20:24:51,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:24:51,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:24:51,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:24:51,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:24:51,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:24:42" (1/3) ... [2024-11-27 20:24:51,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551c7c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:51, skipping insertion in model container [2024-11-27 20:24:51,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:44" (2/3) ... [2024-11-27 20:24:51,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@551c7c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:24:51, skipping insertion in model container [2024-11-27 20:24:51,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:51" (3/3) ... [2024-11-27 20:24:51,848 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 [2024-11-27 20:24:51,864 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:24:51,866 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. [2024-11-27 20:24:51,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:24:51,977 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;@636387f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:24:51,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:24:51,983 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) [2024-11-27 20:24:51,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-27 20:24:51,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:51,996 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] [2024-11-27 20:24:51,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:52,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:52,004 INFO L85 PathProgramCache]: Analyzing trace with hash -931205159, now seen corresponding path program 1 times [2024-11-27 20:24:52,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:52,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480569693] [2024-11-27 20:24:52,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:52,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:24:53,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:53,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480569693] [2024-11-27 20:24:53,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480569693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:53,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:53,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:24:53,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311649582] [2024-11-27 20:24:53,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:53,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:24:53,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:53,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:24:53,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:53,794 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) [2024-11-27 20:24:57,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:24:58,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:24:58,084 INFO L93 Difference]: Finished difference Result 956 states and 1363 transitions. [2024-11-27 20:24:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:24:58,087 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 [2024-11-27 20:24:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:24:58,116 INFO L225 Difference]: With dead ends: 956 [2024-11-27 20:24:58,117 INFO L226 Difference]: Without dead ends: 609 [2024-11-27 20:24:58,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:24:58,135 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 [2024-11-27 20:24:58,137 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] [2024-11-27 20:24:58,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2024-11-27 20:24:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2024-11-27 20:24:58,272 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) [2024-11-27 20:24:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 823 transitions. [2024-11-27 20:24:58,291 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 823 transitions. Word has length 42 [2024-11-27 20:24:58,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:24:58,294 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 823 transitions. [2024-11-27 20:24:58,295 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) [2024-11-27 20:24:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 823 transitions. [2024-11-27 20:24:58,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 20:24:58,300 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:24:58,301 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] [2024-11-27 20:24:58,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:24:58,301 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:24:58,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:24:58,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1081439783, now seen corresponding path program 1 times [2024-11-27 20:24:58,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:24:58,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31547417] [2024-11-27 20:24:58,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:24:58,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:24:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:24:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-27 20:24:59,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:24:59,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31547417] [2024-11-27 20:24:59,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31547417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:24:59,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:24:59,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:24:59,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405421662] [2024-11-27 20:24:59,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:24:59,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:24:59,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:24:59,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:24:59,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:24:59,669 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) [2024-11-27 20:25:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:00,005 INFO L93 Difference]: Finished difference Result 1198 states and 1630 transitions. [2024-11-27 20:25:00,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:00,006 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 [2024-11-27 20:25:00,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:00,026 INFO L225 Difference]: With dead ends: 1198 [2024-11-27 20:25:00,026 INFO L226 Difference]: Without dead ends: 1189 [2024-11-27 20:25:00,029 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 [2024-11-27 20:25:00,031 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 [2024-11-27 20:25:00,031 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] [2024-11-27 20:25:00,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-11-27 20:25:00,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1183. [2024-11-27 20:25:00,138 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) [2024-11-27 20:25:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1611 transitions. [2024-11-27 20:25:00,153 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1611 transitions. Word has length 52 [2024-11-27 20:25:00,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:00,153 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1611 transitions. [2024-11-27 20:25:00,153 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) [2024-11-27 20:25:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1611 transitions. [2024-11-27 20:25:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-27 20:25:00,169 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:00,170 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] [2024-11-27 20:25:00,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:25:00,170 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:00,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:00,171 INFO L85 PathProgramCache]: Analyzing trace with hash -69832366, now seen corresponding path program 1 times [2024-11-27 20:25:00,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:00,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389539611] [2024-11-27 20:25:00,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:00,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-27 20:25:01,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:01,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389539611] [2024-11-27 20:25:01,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389539611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:01,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:01,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:25:01,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375231203] [2024-11-27 20:25:01,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:01,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:01,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:01,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:01,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:01,128 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) [2024-11-27 20:25:01,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:01,352 INFO L93 Difference]: Finished difference Result 2576 states and 3529 transitions. [2024-11-27 20:25:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:01,353 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 [2024-11-27 20:25:01,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:01,375 INFO L225 Difference]: With dead ends: 2576 [2024-11-27 20:25:01,375 INFO L226 Difference]: Without dead ends: 1413 [2024-11-27 20:25:01,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:01,385 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 [2024-11-27 20:25:01,386 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] [2024-11-27 20:25:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-11-27 20:25:01,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1404. [2024-11-27 20:25:01,562 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) [2024-11-27 20:25:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1930 transitions. [2024-11-27 20:25:01,580 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1930 transitions. Word has length 162 [2024-11-27 20:25:01,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:01,583 INFO L471 AbstractCegarLoop]: Abstraction has 1404 states and 1930 transitions. [2024-11-27 20:25:01,583 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) [2024-11-27 20:25:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1930 transitions. [2024-11-27 20:25:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 20:25:01,595 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:01,596 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] [2024-11-27 20:25:01,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:25:01,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:01,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:01,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2058214630, now seen corresponding path program 1 times [2024-11-27 20:25:01,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:01,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858005715] [2024-11-27 20:25:01,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-27 20:25:02,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:02,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858005715] [2024-11-27 20:25:02,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858005715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:02,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:02,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:25:02,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785833196] [2024-11-27 20:25:02,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:02,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:02,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:02,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:02,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:02,487 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) [2024-11-27 20:25:06,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:25:06,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:06,801 INFO L93 Difference]: Finished difference Result 3846 states and 5283 transitions. [2024-11-27 20:25:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:06,802 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 [2024-11-27 20:25:06,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:06,822 INFO L225 Difference]: With dead ends: 3846 [2024-11-27 20:25:06,822 INFO L226 Difference]: Without dead ends: 2473 [2024-11-27 20:25:06,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:06,830 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, 4.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:06,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 912 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-27 20:25:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2024-11-27 20:25:07,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 2464. [2024-11-27 20:25:07,077 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) [2024-11-27 20:25:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3352 transitions. [2024-11-27 20:25:07,103 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3352 transitions. Word has length 184 [2024-11-27 20:25:07,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:07,104 INFO L471 AbstractCegarLoop]: Abstraction has 2464 states and 3352 transitions. [2024-11-27 20:25:07,104 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) [2024-11-27 20:25:07,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3352 transitions. [2024-11-27 20:25:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-27 20:25:07,121 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:07,122 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] [2024-11-27 20:25:07,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:25:07,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:07,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:07,123 INFO L85 PathProgramCache]: Analyzing trace with hash -992888870, now seen corresponding path program 1 times [2024-11-27 20:25:07,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:07,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414648952] [2024-11-27 20:25:07,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-27 20:25:07,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:07,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414648952] [2024-11-27 20:25:07,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414648952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:07,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:07,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:25:07,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724517665] [2024-11-27 20:25:07,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:07,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:25:07,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:07,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:25:07,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:07,957 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) [2024-11-27 20:25:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:08,098 INFO L93 Difference]: Finished difference Result 3699 states and 5060 transitions. [2024-11-27 20:25:08,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:25:08,099 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 [2024-11-27 20:25:08,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:08,119 INFO L225 Difference]: With dead ends: 3699 [2024-11-27 20:25:08,119 INFO L226 Difference]: Without dead ends: 2472 [2024-11-27 20:25:08,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:25:08,127 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 [2024-11-27 20:25:08,127 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] [2024-11-27 20:25:08,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2024-11-27 20:25:08,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 2472. [2024-11-27 20:25:08,299 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) [2024-11-27 20:25:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3360 transitions. [2024-11-27 20:25:08,323 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3360 transitions. Word has length 184 [2024-11-27 20:25:08,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:08,325 INFO L471 AbstractCegarLoop]: Abstraction has 2472 states and 3360 transitions. [2024-11-27 20:25:08,325 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) [2024-11-27 20:25:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3360 transitions. [2024-11-27 20:25:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-27 20:25:08,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:08,334 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] [2024-11-27 20:25:08,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:25:08,334 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:08,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash 346423451, now seen corresponding path program 1 times [2024-11-27 20:25:08,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:08,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522050695] [2024-11-27 20:25:08,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:08,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-27 20:25:10,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:10,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522050695] [2024-11-27 20:25:10,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522050695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:10,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:10,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:25:10,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063192706] [2024-11-27 20:25:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:10,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:25:10,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:10,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:25:10,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:25:10,179 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) [2024-11-27 20:25:14,206 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 [] [2024-11-27 20:25:18,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:25:22,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:25:26,268 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 [] [2024-11-27 20:25:29,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:29,416 INFO L93 Difference]: Finished difference Result 3670 states and 5005 transitions. [2024-11-27 20:25:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:25:29,418 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 [2024-11-27 20:25:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:29,422 INFO L225 Difference]: With dead ends: 3670 [2024-11-27 20:25:29,422 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:25:29,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:25:29,437 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 498 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 140 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s 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, 18.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:29,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1256 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 960 Invalid, 4 Unknown, 0 Unchecked, 18.9s Time] [2024-11-27 20:25:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:25:29,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:25:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:25:29,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:25:29,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 186 [2024-11-27 20:25:29,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:29,441 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:25:29,441 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) [2024-11-27 20:25:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:25:29,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:25:29,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:25:29,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:25:29,449 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-27 20:25:29,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:25:35,785 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:25:35,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:25:35 BoogieIcfgContainer [2024-11-27 20:25:35,807 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:25:35,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:25:35,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:25:35,808 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:25:35,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:24:51" (3/4) ... [2024-11-27 20:25:35,816 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:25:35,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_warn [2024-11-27 20:25:35,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 20:25:35,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2024-11-27 20:25:35,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2024-11-27 20:25:35,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 131 nodes and edges [2024-11-27 20:25:35,867 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2024-11-27 20:25:35,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-27 20:25:35,873 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-27 20:25:35,875 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:25:35,877 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:25:35,923 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-11-27 20:25:35,924 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-11-27 20:25:35,927 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2024-11-27 20:25:36,105 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-11-27 20:25:36,107 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == 0) && (last_index == 0)) [2024-11-27 20:25:36,117 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(last_index) == 0) && (0 == ((long) deleted_index + 1))) && (i == 0)) && (last_index == 0)) [2024-11-27 20:25:36,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:25:36,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:25:36,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:25:36,186 INFO L158 Benchmark]: Toolchain (without parser) took 54111.32ms. Allocated memory was 117.4MB in the beginning and 494.9MB in the end (delta: 377.5MB). Free memory was 84.9MB in the beginning and 373.1MB in the end (delta: -288.3MB). Peak memory consumption was 87.8MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,186 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:25:36,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1987.83ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 40.1MB in the end (delta: 44.6MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.72ms. Allocated memory is still 117.4MB. Free memory was 40.1MB in the beginning and 65.1MB in the end (delta: -25.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,188 INFO L158 Benchmark]: Boogie Preprocessor took 414.08ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 36.8MB in the end (delta: 28.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,189 INFO L158 Benchmark]: RCFGBuilder took 7145.67ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 36.8MB in the beginning and 51.4MB in the end (delta: -14.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,190 INFO L158 Benchmark]: TraceAbstraction took 43987.55ms. Allocated memory was 184.5MB in the beginning and 494.9MB in the end (delta: 310.4MB). Free memory was 50.8MB in the beginning and 394.7MB in the end (delta: -343.9MB). Peak memory consumption was 222.5MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,190 INFO L158 Benchmark]: Witness Printer took 376.65ms. Allocated memory is still 494.9MB. Free memory was 394.7MB in the beginning and 373.1MB in the end (delta: 21.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:25:36,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1987.83ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 40.1MB in the end (delta: 44.6MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.72ms. Allocated memory is still 117.4MB. Free memory was 40.1MB in the beginning and 65.1MB in the end (delta: -25.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 414.08ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 36.8MB in the end (delta: 28.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 7145.67ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 36.8MB in the beginning and 51.4MB in the end (delta: -14.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * TraceAbstraction took 43987.55ms. Allocated memory was 184.5MB in the beginning and 494.9MB in the end (delta: 310.4MB). Free memory was 50.8MB in the beginning and 394.7MB in the end (delta: -343.9MB). Peak memory consumption was 222.5MB. Max. memory is 16.1GB. * Witness Printer took 376.65ms. Allocated memory is still 494.9MB. Free memory was 394.7MB in the beginning and 373.1MB in the end (delta: 21.6MB). 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: 37.5s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 1812 SdHoareTripleChecker+Valid, 27.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1806 mSDsluCounter, 6464 SdHoareTripleChecker+Invalid, 27.0s 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, 0.4s 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: 0.9s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.6s 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! [2024-11-27 20:25:36,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_989fd1f4-e906-4c00-999b-2f89a710dfa9/bin/uautomizer-verify-aQ6SnzHsRB/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