./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 21:00:58,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 21:00:58,827 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 21:00:58,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 21:00:58,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 21:00:58,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 21:00:58,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 21:00:58,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 21:00:58,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 21:00:58,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 21:00:58,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 21:00:58,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 21:00:58,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 21:00:58,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 21:00:58,864 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 21:00:58,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 21:00:58,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 21:00:58,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 21:00:58,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 21:00:58,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 21:00:58,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 21:00:58,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 21:00:58,868 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 21:00:58,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 21:00:58,869 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 21:00:58,869 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 21:00:58,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 21:00:58,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 21:00:58,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 21:00:58,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:00:58,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 21:00:58,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 21:00:58,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 21:00:58,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 21:00:58,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 21:00:58,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 21:00:58,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 21:00:58,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 21:00:58,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 21:00:58,872 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e983f35cff7a0c67962e23f6c3d66292f25c728e4d1df204c975f306d1512a3 [2024-11-16 21:00:59,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 21:00:59,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 21:00:59,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 21:00:59,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 21:00:59,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 21:00:59,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-16 21:01:00,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 21:01:00,885 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 21:01:00,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-16 21:01:00,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75278872/ef5a424a8d3347fe94a8abb5f27abe94/FLAG4d37173b1 [2024-11-16 21:01:01,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75278872/ef5a424a8d3347fe94a8abb5f27abe94 [2024-11-16 21:01:01,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 21:01:01,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 21:01:01,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 21:01:01,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 21:01:01,095 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 21:01:01,096 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:01:01" (1/1) ... [2024-11-16 21:01:01,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f301be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:01, skipping insertion in model container [2024-11-16 21:01:01,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:01:01" (1/1) ... [2024-11-16 21:01:01,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 21:01:01,783 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i[159401,159414] [2024-11-16 21:01:01,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:01:01,961 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 21:01:02,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i[159401,159414] [2024-11-16 21:01:02,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 21:01:02,175 INFO L204 MainTranslator]: Completed translation [2024-11-16 21:01:02,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02 WrapperNode [2024-11-16 21:01:02,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 21:01:02,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 21:01:02,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 21:01:02,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 21:01:02,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,322 INFO L138 Inliner]: procedures = 102, calls = 350, calls flagged for inlining = 36, calls inlined = 33, statements flattened = 1082 [2024-11-16 21:01:02,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 21:01:02,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 21:01:02,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 21:01:02,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 21:01:02,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,412 INFO L175 MemorySlicer]: Split 195 memory accesses to 10 slices as follows [2, 19, 44, 2, 17, 3, 79, 2, 26, 1]. 41 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 0, 0, 0, 15, 0, 2, 0, 26, 0]. The 86 writes are split as follows [0, 19, 44, 0, 1, 1, 19, 1, 0, 1]. [2024-11-16 21:01:02,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,461 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 21:01:02,509 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 21:01:02,510 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 21:01:02,510 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 21:01:02,511 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (1/1) ... [2024-11-16 21:01:02,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 21:01:02,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 21:01:02,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 21:01:02,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 21:01:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 21:01:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 21:01:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 21:01:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 21:01:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 21:01:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-16 21:01:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 21:01:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-16 21:01:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-16 21:01:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 21:01:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2024-11-16 21:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-16 21:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-16 21:01:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-16 21:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 21:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 21:01:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-16 21:01:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-16 21:01:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-16 21:01:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2024-11-16 21:01:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2024-11-16 21:01:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-16 21:01:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-16 21:01:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-16 21:01:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-16 21:01:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-16 21:01:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-16 21:01:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-16 21:01:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-16 21:01:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-16 21:01:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-16 21:01:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-16 21:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-16 21:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-16 21:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-16 21:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-16 21:01:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-16 21:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-16 21:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-16 21:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-16 21:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-16 21:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-16 21:01:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2024-11-16 21:01:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 21:01:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 21:01:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 21:01:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 21:01:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-16 21:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-16 21:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-16 21:01:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-16 21:01:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2024-11-16 21:01:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 21:01:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-16 21:01:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-16 21:01:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-16 21:01:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-16 21:01:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 21:01:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 21:01:02,875 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 21:01:02,878 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 21:01:02,915 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6480: havoc #t~nondet224; [2024-11-16 21:01:02,918 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-16 21:01:02,982 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6462: havoc skb_copy_expand_#t~ret218#1.base, skb_copy_expand_#t~ret218#1.offset; [2024-11-16 21:01:02,982 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5501: havoc skb_headroom_#t~mem26#1.base, skb_headroom_#t~mem26#1.offset;havoc skb_headroom_#t~mem27#1.base, skb_headroom_#t~mem27#1.offset; [2024-11-16 21:01:02,982 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6468: havoc skb_push_#t~ret220#1.base, skb_push_#t~ret220#1.offset; [2024-11-16 21:01:03,014 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5623: havoc #t~mem53;havoc #t~bitwise54; [2024-11-16 21:01:03,243 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6465: havoc #t~ret219.base, #t~ret219.offset; [2024-11-16 21:01:03,647 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6455: havoc #t~nondet216; [2024-11-16 21:01:03,653 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5465: havoc __kmalloc_#t~ret8#1.base, __kmalloc_#t~ret8#1.offset; [2024-11-16 21:01:03,723 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5636: call ULTIMATE.dealloc(~#actual_len~0#1.base, ~#actual_len~0#1.offset);havoc ~#actual_len~0#1.base, ~#actual_len~0#1.offset; [2024-11-16 21:01:08,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6502: havoc usbnet_probe_#t~nondet228#1; [2024-11-16 21:01:08,048 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5975: call ULTIMATE.dealloc(main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset);havoc main_~#ldvarg0~0#1.base, main_~#ldvarg0~0#1.offset;call ULTIMATE.dealloc(main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset);havoc main_~#ldvarg2~0#1.base, main_~#ldvarg2~0#1.offset; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6487: havoc usb_register_driver_#t~nondet225#1; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6513: havoc usbnet_suspend_#t~nondet230#1; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6506: havoc usbnet_resume_#t~nondet229#1; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5738: call ULTIMATE.dealloc(cx82310_bind_~#buf~1#1.base, cx82310_bind_~#buf~1#1.offset);havoc cx82310_bind_~#buf~1#1.base, cx82310_bind_~#buf~1#1.offset; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6498: havoc usbnet_get_endpoints_#t~nondet227#1; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6491: havoc usb_string_#t~nondet226#1; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6459: havoc ldv_reset_resume_1_#t~nondet217#1; [2024-11-16 21:01:08,049 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6451: havoc _dev_info_#t~nondet215#1; [2024-11-16 21:01:08,232 INFO L? ?]: Removed 592 outVars from TransFormulas that were not future-live. [2024-11-16 21:01:08,232 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 21:01:08,277 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 21:01:08,277 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 21:01:08,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:01:08 BoogieIcfgContainer [2024-11-16 21:01:08,278 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 21:01:08,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 21:01:08,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 21:01:08,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 21:01:08,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:01:01" (1/3) ... [2024-11-16 21:01:08,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1def58d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:01:08, skipping insertion in model container [2024-11-16 21:01:08,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:01:02" (2/3) ... [2024-11-16 21:01:08,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1def58d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:01:08, skipping insertion in model container [2024-11-16 21:01:08,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 09:01:08" (3/3) ... [2024-11-16 21:01:08,284 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-16 21:01:08,298 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 21:01:08,298 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 21:01:08,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 21:01:08,353 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;@7bc196f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 21:01:08,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 21:01:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 350 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 269 states have internal predecessors, (360), 63 states have call successors, (63), 23 states have call predecessors, (63), 22 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-16 21:01:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-16 21:01:08,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:01:08,367 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:01:08,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:01:08,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:01:08,372 INFO L85 PathProgramCache]: Analyzing trace with hash 540680750, now seen corresponding path program 1 times [2024-11-16 21:01:08,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:01:08,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677674083] [2024-11-16 21:01:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:01:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:01:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:01:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:01:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:09,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:01:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 21:01:09,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:01:09,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677674083] [2024-11-16 21:01:09,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677674083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:01:09,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:01:09,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 21:01:09,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238249168] [2024-11-16 21:01:09,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:01:09,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 21:01:09,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:01:09,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 21:01:09,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 21:01:09,201 INFO L87 Difference]: Start difference. First operand has 350 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 269 states have internal predecessors, (360), 63 states have call successors, (63), 23 states have call predecessors, (63), 22 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 21:01:13,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:17,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:19,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:01:19,577 INFO L93 Difference]: Finished difference Result 1143 states and 1689 transitions. [2024-11-16 21:01:19,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 21:01:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2024-11-16 21:01:19,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:01:19,604 INFO L225 Difference]: With dead ends: 1143 [2024-11-16 21:01:19,604 INFO L226 Difference]: Without dead ends: 782 [2024-11-16 21:01:19,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-16 21:01:19,612 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1643 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 752 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1663 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 752 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-16 21:01:19,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1663 Valid, 818 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [752 Valid, 890 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2024-11-16 21:01:19,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-16 21:01:19,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 636. [2024-11-16 21:01:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 485 states have (on average 1.3422680412371133) internal successors, (651), 485 states have internal predecessors, (651), 110 states have call successors, (110), 41 states have call predecessors, (110), 40 states have return successors, (109), 109 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-16 21:01:19,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 870 transitions. [2024-11-16 21:01:19,735 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 870 transitions. Word has length 37 [2024-11-16 21:01:19,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:01:19,735 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 870 transitions. [2024-11-16 21:01:19,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-16 21:01:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 870 transitions. [2024-11-16 21:01:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-16 21:01:19,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:01:19,739 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 21:01:19,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 21:01:19,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:01:19,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:01:19,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1546266652, now seen corresponding path program 1 times [2024-11-16 21:01:19,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:01:19,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198873971] [2024-11-16 21:01:19,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:01:19,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:01:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:20,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:01:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:20,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:01:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:20,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:01:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:20,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:01:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-16 21:01:20,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:01:20,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198873971] [2024-11-16 21:01:20,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198873971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:01:20,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:01:20,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 21:01:20,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293102997] [2024-11-16 21:01:20,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:01:20,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 21:01:20,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:01:20,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 21:01:20,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 21:01:20,419 INFO L87 Difference]: Start difference. First operand 636 states and 870 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-16 21:01:24,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:26,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:01:26,947 INFO L93 Difference]: Finished difference Result 2154 states and 3070 transitions. [2024-11-16 21:01:26,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 21:01:26,948 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-16 21:01:26,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:01:26,955 INFO L225 Difference]: With dead ends: 2154 [2024-11-16 21:01:26,955 INFO L226 Difference]: Without dead ends: 1530 [2024-11-16 21:01:26,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-16 21:01:26,958 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 1521 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 664 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-16 21:01:26,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1543 Valid, 1225 Invalid, 2517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 1852 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-16 21:01:26,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2024-11-16 21:01:27,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1244. [2024-11-16 21:01:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1244 states, 949 states have (on average 1.3424657534246576) internal successors, (1274), 949 states have internal predecessors, (1274), 216 states have call successors, (216), 79 states have call predecessors, (216), 78 states have return successors, (225), 215 states have call predecessors, (225), 215 states have call successors, (225) [2024-11-16 21:01:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1715 transitions. [2024-11-16 21:01:27,064 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1715 transitions. Word has length 47 [2024-11-16 21:01:27,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:01:27,066 INFO L471 AbstractCegarLoop]: Abstraction has 1244 states and 1715 transitions. [2024-11-16 21:01:27,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-16 21:01:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1715 transitions. [2024-11-16 21:01:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-16 21:01:27,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:01:27,076 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-16 21:01:27,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 21:01:27,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:01:27,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:01:27,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1034305519, now seen corresponding path program 1 times [2024-11-16 21:01:27,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:01:27,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023335841] [2024-11-16 21:01:27,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:01:27,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:01:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:01:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:01:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:01:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:01:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:01:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:01:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:01:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 21:01:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-16 21:01:27,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:01:27,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023335841] [2024-11-16 21:01:27,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023335841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:01:27,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:01:27,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 21:01:27,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765344306] [2024-11-16 21:01:27,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:01:27,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 21:01:27,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:01:27,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 21:01:27,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 21:01:27,578 INFO L87 Difference]: Start difference. First operand 1244 states and 1715 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-16 21:01:31,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:35,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:39,613 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 [] [2024-11-16 21:01:41,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:01:41,455 INFO L93 Difference]: Finished difference Result 3061 states and 4323 transitions. [2024-11-16 21:01:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 21:01:41,455 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2024-11-16 21:01:41,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:01:41,463 INFO L225 Difference]: With dead ends: 3061 [2024-11-16 21:01:41,464 INFO L226 Difference]: Without dead ends: 1835 [2024-11-16 21:01:41,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-16 21:01:41,468 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 859 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 364 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-16 21:01:41,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 951 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 1128 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2024-11-16 21:01:41,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2024-11-16 21:01:41,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1569. [2024-11-16 21:01:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1233 states have (on average 1.3633414436334144) internal successors, (1681), 1237 states have internal predecessors, (1681), 235 states have call successors, (235), 89 states have call predecessors, (235), 100 states have return successors, (282), 242 states have call predecessors, (282), 234 states have call successors, (282) [2024-11-16 21:01:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 2198 transitions. [2024-11-16 21:01:41,551 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 2198 transitions. Word has length 88 [2024-11-16 21:01:41,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:01:41,551 INFO L471 AbstractCegarLoop]: Abstraction has 1569 states and 2198 transitions. [2024-11-16 21:01:41,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (9), 6 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-16 21:01:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2198 transitions. [2024-11-16 21:01:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 21:01:41,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:01:41,557 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-16 21:01:41,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 21:01:41,557 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:01:41,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:01:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -852414160, now seen corresponding path program 1 times [2024-11-16 21:01:41,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:01:41,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37588284] [2024-11-16 21:01:41,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:01:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:01:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:01:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:01:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:01:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:01:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 21:01:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 21:01:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 21:01:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:41,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 21:01:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:42,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:01:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:42,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:01:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:42,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:01:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:01:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-16 21:01:42,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:01:42,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37588284] [2024-11-16 21:01:42,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37588284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:01:42,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:01:42,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 21:01:42,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893473534] [2024-11-16 21:01:42,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:01:42,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 21:01:42,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:01:42,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 21:01:42,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 21:01:42,054 INFO L87 Difference]: Start difference. First operand 1569 states and 2198 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-16 21:01:46,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:50,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:54,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:01:58,101 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 [] [2024-11-16 21:02:01,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:02:01,272 INFO L93 Difference]: Finished difference Result 4471 states and 6339 transitions. [2024-11-16 21:02:01,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 21:02:01,273 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 118 [2024-11-16 21:02:01,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:02:01,284 INFO L225 Difference]: With dead ends: 4471 [2024-11-16 21:02:01,284 INFO L226 Difference]: Without dead ends: 2931 [2024-11-16 21:02:01,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2024-11-16 21:02:01,289 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 1362 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 560 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 560 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2024-11-16 21:02:01,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1379 Valid, 1226 Invalid, 1891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [560 Valid, 1327 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2024-11-16 21:02:01,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2931 states. [2024-11-16 21:02:01,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2931 to 2437. [2024-11-16 21:02:01,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1921 states have (on average 1.3529411764705883) internal successors, (2599), 1929 states have internal predecessors, (2599), 343 states have call successors, (343), 149 states have call predecessors, (343), 172 states have return successors, (425), 358 states have call predecessors, (425), 342 states have call successors, (425) [2024-11-16 21:02:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 3367 transitions. [2024-11-16 21:02:01,405 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 3367 transitions. Word has length 118 [2024-11-16 21:02:01,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:02:01,405 INFO L471 AbstractCegarLoop]: Abstraction has 2437 states and 3367 transitions. [2024-11-16 21:02:01,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-16 21:02:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 3367 transitions. [2024-11-16 21:02:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-16 21:02:01,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:02:01,409 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-16 21:02:01,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 21:02:01,409 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:02:01,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:02:01,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1602087880, now seen corresponding path program 1 times [2024-11-16 21:02:01,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:02:01,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222754422] [2024-11-16 21:02:01,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:02:01,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:02:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:02:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:02:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:02:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:02:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 21:02:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 21:02:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 21:02:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:01,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 21:02:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:02,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:02:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:02,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:02:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:02,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:02:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:02,308 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-16 21:02:02,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:02:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222754422] [2024-11-16 21:02:02,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222754422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:02:02,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:02:02,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 21:02:02,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162920658] [2024-11-16 21:02:02,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:02:02,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 21:02:02,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:02:02,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 21:02:02,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-16 21:02:02,310 INFO L87 Difference]: Start difference. First operand 2437 states and 3367 transitions. Second operand has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-16 21:02:06,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:02:10,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:02:14,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:02:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:02:17,488 INFO L93 Difference]: Finished difference Result 5325 states and 7499 transitions. [2024-11-16 21:02:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 21:02:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 1 states have call successors, (11) Word has length 118 [2024-11-16 21:02:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:02:17,500 INFO L225 Difference]: With dead ends: 5325 [2024-11-16 21:02:17,500 INFO L226 Difference]: Without dead ends: 2917 [2024-11-16 21:02:17,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=734, Unknown=0, NotChecked=0, Total=930 [2024-11-16 21:02:17,505 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 704 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 338 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 3305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2024-11-16 21:02:17,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 1967 Invalid, 3305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 2964 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time] [2024-11-16 21:02:17,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2024-11-16 21:02:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2521. [2024-11-16 21:02:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1989 states have (on average 1.3469079939668176) internal successors, (2679), 2001 states have internal predecessors, (2679), 343 states have call successors, (343), 149 states have call predecessors, (343), 188 states have return successors, (450), 370 states have call predecessors, (450), 342 states have call successors, (450) [2024-11-16 21:02:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3472 transitions. [2024-11-16 21:02:17,660 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3472 transitions. Word has length 118 [2024-11-16 21:02:17,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:02:17,660 INFO L471 AbstractCegarLoop]: Abstraction has 2521 states and 3472 transitions. [2024-11-16 21:02:17,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.714285714285714) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (12), 6 states have call predecessors, (12), 4 states have return successors, (11), 4 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-16 21:02:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3472 transitions. [2024-11-16 21:02:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-16 21:02:17,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:02:17,663 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 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] [2024-11-16 21:02:17,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 21:02:17,663 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:02:17,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:02:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1119500505, now seen corresponding path program 1 times [2024-11-16 21:02:17,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:02:17,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650997925] [2024-11-16 21:02:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:02:17,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:02:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:02:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:02:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:02:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:02:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 21:02:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 21:02:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 21:02:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 21:02:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:02:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:02:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:02:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 21:02:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-16 21:02:18,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:02:18,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650997925] [2024-11-16 21:02:18,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650997925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:02:18,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:02:18,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 21:02:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614744165] [2024-11-16 21:02:18,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:02:18,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 21:02:18,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:02:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 21:02:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-11-16 21:02:18,518 INFO L87 Difference]: Start difference. First operand 2521 states and 3472 transitions. Second operand has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 8 states have internal predecessors, (85), 3 states have call successors, (13), 7 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 21:02:22,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:02:26,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:02:30,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 21:02:33,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 21:02:33,424 INFO L93 Difference]: Finished difference Result 5401 states and 7576 transitions. [2024-11-16 21:02:33,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 21:02:33,424 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 8 states have internal predecessors, (85), 3 states have call successors, (13), 7 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2024-11-16 21:02:33,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 21:02:33,436 INFO L225 Difference]: With dead ends: 5401 [2024-11-16 21:02:33,436 INFO L226 Difference]: Without dead ends: 2909 [2024-11-16 21:02:33,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=785, Unknown=0, NotChecked=0, Total=930 [2024-11-16 21:02:33,442 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 811 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 3169 mSolverCounterSat, 406 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 811 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 3578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 406 IncrementalHoareTripleChecker+Valid, 3169 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-11-16 21:02:33,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [811 Valid, 2009 Invalid, 3578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [406 Valid, 3169 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2024-11-16 21:02:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2909 states. [2024-11-16 21:02:33,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2909 to 2477. [2024-11-16 21:02:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1949 states have (on average 1.3437660338635198) internal successors, (2619), 1961 states have internal predecessors, (2619), 343 states have call successors, (343), 149 states have call predecessors, (343), 184 states have return successors, (442), 366 states have call predecessors, (442), 342 states have call successors, (442) [2024-11-16 21:02:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3404 transitions. [2024-11-16 21:02:33,588 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3404 transitions. Word has length 125 [2024-11-16 21:02:33,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 21:02:33,589 INFO L471 AbstractCegarLoop]: Abstraction has 2477 states and 3404 transitions. [2024-11-16 21:02:33,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 8 states have internal predecessors, (85), 3 states have call successors, (13), 7 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 21:02:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3404 transitions. [2024-11-16 21:02:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-16 21:02:33,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 21:02:33,593 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-16 21:02:33,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 21:02:33,593 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 21:02:33,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 21:02:33,593 INFO L85 PathProgramCache]: Analyzing trace with hash -823950423, now seen corresponding path program 1 times [2024-11-16 21:02:33,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 21:02:33,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654262586] [2024-11-16 21:02:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 21:02:33,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 21:02:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:02:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-16 21:02:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 21:02:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 21:02:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 21:02:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-16 21:02:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 21:02:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 21:02:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 21:02:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:02:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 21:02:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 21:02:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 21:02:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-16 21:02:34,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 21:02:34,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654262586] [2024-11-16 21:02:34,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654262586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 21:02:34,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 21:02:34,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 21:02:34,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448162446] [2024-11-16 21:02:34,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 21:02:34,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 21:02:34,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 21:02:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 21:02:34,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-16 21:02:34,339 INFO L87 Difference]: Start difference. First operand 2477 states and 3404 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (13), 7 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)