./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.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 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:18:57,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:18:58,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:18:58,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:18:58,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:18:58,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:18:58,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:18:58,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:18:58,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:18:58,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:18:58,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:18:58,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:18:58,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:18:58,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:18:58,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:18:58,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:18:58,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:18:58,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:18:58,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:18:58,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:18:58,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:18:58,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:18:58,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:18:58,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:18:58,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:18:58,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:18:58,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:18:58,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:18:58,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:18:58,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:18:58,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:18:58,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:18:58,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:18:58,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:18:58,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:18:58,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:18:58,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:18:58,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:18:58,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:18:58,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f2fac8642c25f1335350a2814ff7cf3c4ea0fb7f4feaed63baec564397e8f24 [2024-11-19 03:18:58,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:18:58,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:18:58,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:18:58,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:18:58,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:18:58,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2024-11-19 03:18:59,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:19:00,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:19:00,053 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2024-11-19 03:19:00,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de32ae85/297f3255580a4fe18f24c9be0fa62b9b/FLAG6e2bf83d3 [2024-11-19 03:19:00,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3de32ae85/297f3255580a4fe18f24c9be0fa62b9b [2024-11-19 03:19:00,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:19:00,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:19:00,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:19:00,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:19:00,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:19:00,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:00" (1/1) ... [2024-11-19 03:19:00,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d61cca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:00, skipping insertion in model container [2024-11-19 03:19:00,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:00" (1/1) ... [2024-11-19 03:19:00,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:19:01,049 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2024-11-19 03:19:01,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:19:01,570 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:19:01,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [6865] [2024-11-19 03:19:01,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [6872] [2024-11-19 03:19:01,811 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i[202214,202227] [2024-11-19 03:19:01,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:19:02,052 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:19:02,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02 WrapperNode [2024-11-19 03:19:02,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:19:02,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:19:02,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:19:02,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:19:02,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,217 INFO L138 Inliner]: procedures = 163, calls = 1240, calls flagged for inlining = 76, calls inlined = 76, statements flattened = 3552 [2024-11-19 03:19:02,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:19:02,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:19:02,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:19:02,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:19:02,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,549 INFO L175 MemorySlicer]: Split 620 memory accesses to 13 slices as follows [2, 1, 44, 22, 28, 2, 9, 2, 307, 84, 28, 56, 35]. 50 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 8]. The 317 writes are split as follows [0, 0, 44, 22, 15, 0, 5, 1, 70, 72, 13, 48, 27]. [2024-11-19 03:19:02,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,666 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:19:02,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:19:02,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:19:02,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:19:02,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (1/1) ... [2024-11-19 03:19:02,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:19:02,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:19:02,776 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) [2024-11-19 03:19:02,783 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 [2024-11-19 03:19:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-19 03:19:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-19 03:19:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2024-11-19 03:19:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2024-11-19 03:19:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2024-11-19 03:19:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2024-11-19 03:19:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2024-11-19 03:19:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:19:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2024-11-19 03:19:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:19:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-19 03:19:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:19:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:19:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:19:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:19:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:19:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:19:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:19:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:19:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:19:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:19:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:19:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:19:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:19:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:19:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:19:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:19:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:19:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2024-11-19 03:19:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2024-11-19 03:19:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-19 03:19:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-19 03:19:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-19 03:19:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-19 03:19:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:19:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:19:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:19:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:19:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:19:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:19:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:19:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:19:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:19:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:19:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:19:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:19:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:19:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:19:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:19:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:19:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:19:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:19:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:19:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2024-11-19 03:19:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2024-11-19 03:19:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-19 03:19:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-19 03:19:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:19:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:19:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-19 03:19:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-19 03:19:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-19 03:19:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-19 03:19:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2024-11-19 03:19:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2024-11-19 03:19:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2024-11-19 03:19:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2024-11-19 03:19:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:19:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:19:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:19:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:19:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2024-11-19 03:19:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2024-11-19 03:19:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-19 03:19:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-19 03:19:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-19 03:19:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-19 03:19:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2024-11-19 03:19:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2024-11-19 03:19:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2024-11-19 03:19:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2024-11-19 03:19:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:19:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:19:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-19 03:19:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-19 03:19:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:19:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:19:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:19:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:19:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:19:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:19:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:19:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:19:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:19:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:19:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:19:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:19:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:19:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:19:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:19:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:19:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:19:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:19:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-19 03:19:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-19 03:19:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2024-11-19 03:19:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2024-11-19 03:19:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:19:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-19 03:19:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 03:19:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:19:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:19:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:19:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:19:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:19:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:19:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:19:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:19:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:19:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:19:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 03:19:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2024-11-19 03:19:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2024-11-19 03:19:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2024-11-19 03:19:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2024-11-19 03:19:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:19:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:19:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:19:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-19 03:19:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2024-11-19 03:19:02,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:19:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:19:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2024-11-19 03:19:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:19:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:19:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:19:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-19 03:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-19 03:19:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:19:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:19:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2024-11-19 03:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2024-11-19 03:19:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-11-19 03:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-11-19 03:19:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-19 03:19:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-19 03:19:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:19:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:19:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:19:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:19:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:19:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:19:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:19:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-19 03:19:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-19 03:19:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:19:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:19:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2024-11-19 03:19:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2024-11-19 03:19:03,395 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:19:03,398 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:19:03,567 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:19:03,897 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-19 03:19:16,136 INFO L? ?]: Removed 1301 outVars from TransFormulas that were not future-live. [2024-11-19 03:19:16,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:19:16,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:19:16,178 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 03:19:16,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:16 BoogieIcfgContainer [2024-11-19 03:19:16,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:19:16,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:19:16,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:19:16,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:19:16,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:19:00" (1/3) ... [2024-11-19 03:19:16,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0c8f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:19:16, skipping insertion in model container [2024-11-19 03:19:16,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:02" (2/3) ... [2024-11-19 03:19:16,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0c8f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:19:16, skipping insertion in model container [2024-11-19 03:19:16,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:16" (3/3) ... [2024-11-19 03:19:16,187 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2024-11-19 03:19:16,203 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:19:16,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:19:16,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:19:16,310 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;@6fffa664, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:19:16,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:19:16,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 1002 states, 717 states have (on average 1.3528591352859136) internal successors, (970), 743 states have internal predecessors, (970), 235 states have call successors, (235), 50 states have call predecessors, (235), 48 states have return successors, (229), 221 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-19 03:19:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 03:19:16,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:16,332 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:16,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:16,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:16,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1439848849, now seen corresponding path program 1 times [2024-11-19 03:19:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:16,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394260094] [2024-11-19 03:19:16,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:16,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-19 03:19:17,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:17,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394260094] [2024-11-19 03:19:17,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394260094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:17,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:17,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:17,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158966883] [2024-11-19 03:19:17,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:17,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:17,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:17,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:17,751 INFO L87 Difference]: Start difference. First operand has 1002 states, 717 states have (on average 1.3528591352859136) internal successors, (970), 743 states have internal predecessors, (970), 235 states have call successors, (235), 50 states have call predecessors, (235), 48 states have return successors, (229), 221 states have call predecessors, (229), 229 states have call successors, (229) Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 03:19:21,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:19:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:22,150 INFO L93 Difference]: Finished difference Result 2915 states and 4268 transitions. [2024-11-19 03:19:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:22,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2024-11-19 03:19:22,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:22,181 INFO L225 Difference]: With dead ends: 2915 [2024-11-19 03:19:22,181 INFO L226 Difference]: Without dead ends: 1896 [2024-11-19 03:19:22,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:22,195 INFO L432 NwaCegarLoop]: 1446 mSDtfsCounter, 1334 mSDsluCounter, 1377 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 2823 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:22,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 2823 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:19:22,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2024-11-19 03:19:22,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1896. [2024-11-19 03:19:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1363 states have (on average 1.3374908290535583) internal successors, (1823), 1395 states have internal predecessors, (1823), 439 states have call successors, (439), 94 states have call predecessors, (439), 93 states have return successors, (434), 418 states have call predecessors, (434), 434 states have call successors, (434) [2024-11-19 03:19:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2696 transitions. [2024-11-19 03:19:22,416 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2696 transitions. Word has length 44 [2024-11-19 03:19:22,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:22,416 INFO L471 AbstractCegarLoop]: Abstraction has 1896 states and 2696 transitions. [2024-11-19 03:19:22,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 03:19:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2696 transitions. [2024-11-19 03:19:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-19 03:19:22,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:22,425 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:22,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:19:22,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:22,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:22,427 INFO L85 PathProgramCache]: Analyzing trace with hash 129159488, now seen corresponding path program 1 times [2024-11-19 03:19:22,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:22,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027586376] [2024-11-19 03:19:22,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:22,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:24,013 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:19:24,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:24,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027586376] [2024-11-19 03:19:24,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027586376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:24,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:24,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:24,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8726005] [2024-11-19 03:19:24,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:24,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:24,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:24,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:24,018 INFO L87 Difference]: Start difference. First operand 1896 states and 2696 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:24,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:24,294 INFO L93 Difference]: Finished difference Result 5657 states and 8184 transitions. [2024-11-19 03:19:24,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:24,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 66 [2024-11-19 03:19:24,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:24,324 INFO L225 Difference]: With dead ends: 5657 [2024-11-19 03:19:24,325 INFO L226 Difference]: Without dead ends: 3776 [2024-11-19 03:19:24,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:24,338 INFO L432 NwaCegarLoop]: 1503 mSDtfsCounter, 1385 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1385 SdHoareTripleChecker+Valid, 2878 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:24,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1385 Valid, 2878 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:19:24,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3776 states. [2024-11-19 03:19:24,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3776 to 3766. [2024-11-19 03:19:24,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3766 states, 2711 states have (on average 1.3367760973810403) internal successors, (3624), 2771 states have internal predecessors, (3624), 869 states have call successors, (869), 186 states have call predecessors, (869), 185 states have return successors, (917), 832 states have call predecessors, (917), 864 states have call successors, (917) [2024-11-19 03:19:24,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3766 states and 5410 transitions. [2024-11-19 03:19:24,581 INFO L78 Accepts]: Start accepts. Automaton has 3766 states and 5410 transitions. Word has length 66 [2024-11-19 03:19:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:24,583 INFO L471 AbstractCegarLoop]: Abstraction has 3766 states and 5410 transitions. [2024-11-19 03:19:24,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:24,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 5410 transitions. [2024-11-19 03:19:24,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 03:19:24,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:24,589 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:24,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:19:24,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:24,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash -291472040, now seen corresponding path program 1 times [2024-11-19 03:19:24,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:24,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416184037] [2024-11-19 03:19:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:24,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:19:25,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:25,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416184037] [2024-11-19 03:19:25,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416184037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:25,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:25,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:25,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944822405] [2024-11-19 03:19:25,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:25,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:25,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:25,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:25,861 INFO L87 Difference]: Start difference. First operand 3766 states and 5410 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:26,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:26,213 INFO L93 Difference]: Finished difference Result 11259 states and 16490 transitions. [2024-11-19 03:19:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:26,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 67 [2024-11-19 03:19:26,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:26,268 INFO L225 Difference]: With dead ends: 11259 [2024-11-19 03:19:26,268 INFO L226 Difference]: Without dead ends: 7508 [2024-11-19 03:19:26,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:26,292 INFO L432 NwaCegarLoop]: 1402 mSDtfsCounter, 1375 mSDsluCounter, 1373 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1375 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:26,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1375 Valid, 2775 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:19:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7508 states. [2024-11-19 03:19:26,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7508 to 7499. [2024-11-19 03:19:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 5400 states have (on average 1.3344444444444445) internal successors, (7206), 5516 states have internal predecessors, (7206), 1729 states have call successors, (1729), 370 states have call predecessors, (1729), 369 states have return successors, (1941), 1660 states have call predecessors, (1941), 1724 states have call successors, (1941) [2024-11-19 03:19:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 10876 transitions. [2024-11-19 03:19:26,700 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 10876 transitions. Word has length 67 [2024-11-19 03:19:26,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:26,702 INFO L471 AbstractCegarLoop]: Abstraction has 7499 states and 10876 transitions. [2024-11-19 03:19:26,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 10876 transitions. [2024-11-19 03:19:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 03:19:26,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:26,705 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:26,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:19:26,705 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:26,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:26,706 INFO L85 PathProgramCache]: Analyzing trace with hash -446142653, now seen corresponding path program 1 times [2024-11-19 03:19:26,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:26,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178022488] [2024-11-19 03:19:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:27,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:19:27,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:27,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178022488] [2024-11-19 03:19:27,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178022488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:27,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:27,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:27,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542822957] [2024-11-19 03:19:27,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:27,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:27,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:27,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:27,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:27,531 INFO L87 Difference]: Start difference. First operand 7499 states and 10876 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:27,752 INFO L93 Difference]: Finished difference Result 7506 states and 10882 transitions. [2024-11-19 03:19:27,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:27,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 68 [2024-11-19 03:19:27,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:27,803 INFO L225 Difference]: With dead ends: 7506 [2024-11-19 03:19:27,804 INFO L226 Difference]: Without dead ends: 7503 [2024-11-19 03:19:27,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:27,814 INFO L432 NwaCegarLoop]: 1404 mSDtfsCounter, 1372 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1372 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:27,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1372 Valid, 2776 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:19:27,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7503 states. [2024-11-19 03:19:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7503 to 7500. [2024-11-19 03:19:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5401 states have (on average 1.3343825217552305) internal successors, (7207), 5517 states have internal predecessors, (7207), 1729 states have call successors, (1729), 370 states have call predecessors, (1729), 369 states have return successors, (1941), 1660 states have call predecessors, (1941), 1724 states have call successors, (1941) [2024-11-19 03:19:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 10877 transitions. [2024-11-19 03:19:28,232 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 10877 transitions. Word has length 68 [2024-11-19 03:19:28,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:28,233 INFO L471 AbstractCegarLoop]: Abstraction has 7500 states and 10877 transitions. [2024-11-19 03:19:28,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 10877 transitions. [2024-11-19 03:19:28,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-19 03:19:28,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:28,238 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:28,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:19:28,238 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:28,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash -945959493, now seen corresponding path program 1 times [2024-11-19 03:19:28,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:28,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826909084] [2024-11-19 03:19:28,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:28,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:19:29,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:29,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826909084] [2024-11-19 03:19:29,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826909084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:29,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:29,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:29,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309180502] [2024-11-19 03:19:29,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:29,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:29,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:29,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:29,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:29,107 INFO L87 Difference]: Start difference. First operand 7500 states and 10877 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:29,275 INFO L93 Difference]: Finished difference Result 7502 states and 10878 transitions. [2024-11-19 03:19:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:29,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2024-11-19 03:19:29,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:29,330 INFO L225 Difference]: With dead ends: 7502 [2024-11-19 03:19:29,330 INFO L226 Difference]: Without dead ends: 7499 [2024-11-19 03:19:29,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:29,339 INFO L432 NwaCegarLoop]: 1400 mSDtfsCounter, 1361 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:29,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 1400 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:19:29,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2024-11-19 03:19:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7499. [2024-11-19 03:19:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 5401 states have (on average 1.3341973708572488) internal successors, (7206), 5516 states have internal predecessors, (7206), 1728 states have call successors, (1728), 370 states have call predecessors, (1728), 369 states have return successors, (1941), 1660 states have call predecessors, (1941), 1724 states have call successors, (1941) [2024-11-19 03:19:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 10875 transitions. [2024-11-19 03:19:29,683 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 10875 transitions. Word has length 69 [2024-11-19 03:19:29,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:29,683 INFO L471 AbstractCegarLoop]: Abstraction has 7499 states and 10875 transitions. [2024-11-19 03:19:29,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 10875 transitions. [2024-11-19 03:19:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-19 03:19:29,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:29,686 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:29,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:19:29,687 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:29,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash 739592518, now seen corresponding path program 1 times [2024-11-19 03:19:29,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:29,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677413954] [2024-11-19 03:19:29,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:29,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:19:30,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:30,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677413954] [2024-11-19 03:19:30,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677413954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:30,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:30,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:30,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201434925] [2024-11-19 03:19:30,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:30,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:30,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:30,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:30,406 INFO L87 Difference]: Start difference. First operand 7499 states and 10875 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:30,580 INFO L93 Difference]: Finished difference Result 7501 states and 10876 transitions. [2024-11-19 03:19:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:30,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2024-11-19 03:19:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:30,621 INFO L225 Difference]: With dead ends: 7501 [2024-11-19 03:19:30,621 INFO L226 Difference]: Without dead ends: 7469 [2024-11-19 03:19:30,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:30,630 INFO L432 NwaCegarLoop]: 1399 mSDtfsCounter, 1358 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:30,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:19:30,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7469 states. [2024-11-19 03:19:31,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7469 to 7469. [2024-11-19 03:19:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7469 states, 5374 states have (on average 1.333829549683662) internal successors, (7168), 5488 states have internal predecessors, (7168), 1725 states have call successors, (1725), 370 states have call predecessors, (1725), 369 states have return successors, (1936), 1658 states have call predecessors, (1936), 1722 states have call successors, (1936) [2024-11-19 03:19:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 10829 transitions. [2024-11-19 03:19:31,066 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 10829 transitions. Word has length 70 [2024-11-19 03:19:31,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:31,068 INFO L471 AbstractCegarLoop]: Abstraction has 7469 states and 10829 transitions. [2024-11-19 03:19:31,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-19 03:19:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 10829 transitions. [2024-11-19 03:19:31,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 03:19:31,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:31,078 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-19 03:19:31,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:19:31,078 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:31,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:31,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2050357046, now seen corresponding path program 1 times [2024-11-19 03:19:31,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:31,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862206737] [2024-11-19 03:19:31,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:31,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 03:19:32,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:32,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862206737] [2024-11-19 03:19:32,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862206737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:32,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:32,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:32,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175018134] [2024-11-19 03:19:32,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:32,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:32,003 INFO L87 Difference]: Start difference. First operand 7469 states and 10829 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:19:32,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:32,580 INFO L93 Difference]: Finished difference Result 20348 states and 29298 transitions. [2024-11-19 03:19:32,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:32,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2024-11-19 03:19:32,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:32,651 INFO L225 Difference]: With dead ends: 20348 [2024-11-19 03:19:32,651 INFO L226 Difference]: Without dead ends: 12894 [2024-11-19 03:19:32,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:32,695 INFO L432 NwaCegarLoop]: 1560 mSDtfsCounter, 1007 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:32,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 2908 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:19:32,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12894 states. [2024-11-19 03:19:33,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12894 to 12863. [2024-11-19 03:19:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12863 states, 9224 states have (on average 1.325563746747615) internal successors, (12227), 9437 states have internal predecessors, (12227), 2936 states have call successors, (2936), 703 states have call predecessors, (2936), 702 states have return successors, (3285), 2810 states have call predecessors, (3285), 2933 states have call successors, (3285) [2024-11-19 03:19:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12863 states to 12863 states and 18448 transitions. [2024-11-19 03:19:33,264 INFO L78 Accepts]: Start accepts. Automaton has 12863 states and 18448 transitions. Word has length 108 [2024-11-19 03:19:33,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:33,266 INFO L471 AbstractCegarLoop]: Abstraction has 12863 states and 18448 transitions. [2024-11-19 03:19:33,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-19 03:19:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 12863 states and 18448 transitions. [2024-11-19 03:19:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-19 03:19:33,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:33,274 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:33,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:19:33,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:33,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1358005726, now seen corresponding path program 1 times [2024-11-19 03:19:33,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:33,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873196865] [2024-11-19 03:19:33,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:33,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-19 03:19:34,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:34,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873196865] [2024-11-19 03:19:34,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873196865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:34,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:34,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:19:34,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774696184] [2024-11-19 03:19:34,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:34,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:19:34,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:34,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:19:34,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:19:34,737 INFO L87 Difference]: Start difference. First operand 12863 states and 18448 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 03:19:35,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:35,238 INFO L93 Difference]: Finished difference Result 25800 states and 37133 transitions. [2024-11-19 03:19:35,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:19:35,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2024-11-19 03:19:35,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:35,306 INFO L225 Difference]: With dead ends: 25800 [2024-11-19 03:19:35,306 INFO L226 Difference]: Without dead ends: 12959 [2024-11-19 03:19:35,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:19:35,358 INFO L432 NwaCegarLoop]: 1406 mSDtfsCounter, 3 mSDsluCounter, 4204 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5610 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:35,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5610 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:19:35,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12959 states. [2024-11-19 03:19:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12959 to 12931. [2024-11-19 03:19:35,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12931 states, 9272 states have (on average 1.3247411561691114) internal successors, (12283), 9489 states have internal predecessors, (12283), 2944 states have call successors, (2944), 703 states have call predecessors, (2944), 714 states have return successors, (3365), 2826 states have call predecessors, (3365), 2941 states have call successors, (3365) [2024-11-19 03:19:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12931 states to 12931 states and 18592 transitions. [2024-11-19 03:19:35,889 INFO L78 Accepts]: Start accepts. Automaton has 12931 states and 18592 transitions. Word has length 134 [2024-11-19 03:19:35,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:35,889 INFO L471 AbstractCegarLoop]: Abstraction has 12931 states and 18592 transitions. [2024-11-19 03:19:35,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 4 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 03:19:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12931 states and 18592 transitions. [2024-11-19 03:19:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-19 03:19:35,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:35,898 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:35,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:19:35,900 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:35,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:35,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1503497800, now seen corresponding path program 1 times [2024-11-19 03:19:35,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:35,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427766229] [2024-11-19 03:19:35,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-19 03:19:37,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:37,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427766229] [2024-11-19 03:19:37,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427766229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:37,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:37,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:19:37,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386980510] [2024-11-19 03:19:37,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:37,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:19:37,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:37,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:19:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:19:37,648 INFO L87 Difference]: Start difference. First operand 12931 states and 18592 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 03:19:38,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:38,510 INFO L93 Difference]: Finished difference Result 25844 states and 37162 transitions. [2024-11-19 03:19:38,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:19:38,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 140 [2024-11-19 03:19:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:38,577 INFO L225 Difference]: With dead ends: 25844 [2024-11-19 03:19:38,577 INFO L226 Difference]: Without dead ends: 12932 [2024-11-19 03:19:38,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:19:38,612 INFO L432 NwaCegarLoop]: 1395 mSDtfsCounter, 0 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4183 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:38,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4183 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:19:38,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12932 states. [2024-11-19 03:19:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12932 to 12932. [2024-11-19 03:19:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12932 states, 9273 states have (on average 1.3247061360940364) internal successors, (12284), 9490 states have internal predecessors, (12284), 2944 states have call successors, (2944), 703 states have call predecessors, (2944), 714 states have return successors, (3365), 2826 states have call predecessors, (3365), 2941 states have call successors, (3365) [2024-11-19 03:19:39,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12932 states to 12932 states and 18593 transitions. [2024-11-19 03:19:39,170 INFO L78 Accepts]: Start accepts. Automaton has 12932 states and 18593 transitions. Word has length 140 [2024-11-19 03:19:39,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:39,170 INFO L471 AbstractCegarLoop]: Abstraction has 12932 states and 18593 transitions. [2024-11-19 03:19:39,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-19 03:19:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 12932 states and 18593 transitions. [2024-11-19 03:19:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-19 03:19:39,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:39,179 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:39,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:19:39,180 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:39,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1201169747, now seen corresponding path program 1 times [2024-11-19 03:19:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:39,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394050314] [2024-11-19 03:19:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-19 03:19:40,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:40,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394050314] [2024-11-19 03:19:40,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394050314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:19:40,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829301297] [2024-11-19 03:19:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:40,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:19:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:19:40,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:19:40,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:19:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:42,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 2734 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-19 03:19:42,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:19:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-19 03:19:43,410 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:19:43,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829301297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:43,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:19:43,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5] total 17 [2024-11-19 03:19:43,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282246856] [2024-11-19 03:19:43,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:43,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 03:19:43,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:43,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 03:19:43,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2024-11-19 03:19:43,412 INFO L87 Difference]: Start difference. First operand 12932 states and 18593 transitions. Second operand has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 11 states have internal predecessors, (96), 4 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-19 03:19:47,433 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 [] [2024-11-19 03:19:50,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:50,183 INFO L93 Difference]: Finished difference Result 25875 states and 37283 transitions. [2024-11-19 03:19:50,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 03:19:50,184 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 11 states have internal predecessors, (96), 4 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 141 [2024-11-19 03:19:50,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:50,255 INFO L225 Difference]: With dead ends: 25875 [2024-11-19 03:19:50,256 INFO L226 Difference]: Without dead ends: 12966 [2024-11-19 03:19:50,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2024-11-19 03:19:50,298 INFO L432 NwaCegarLoop]: 2682 mSDtfsCounter, 1362 mSDsluCounter, 28156 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 30838 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:50,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 30838 Invalid, 370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 358 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-19 03:19:50,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12966 states. [2024-11-19 03:19:50,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12966 to 12912. [2024-11-19 03:19:50,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12912 states, 9257 states have (on average 1.323863022577509) internal successors, (12255), 9475 states have internal predecessors, (12255), 2940 states have call successors, (2940), 703 states have call predecessors, (2940), 714 states have return successors, (3361), 2821 states have call predecessors, (3361), 2937 states have call successors, (3361) [2024-11-19 03:19:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12912 states to 12912 states and 18556 transitions. [2024-11-19 03:19:50,868 INFO L78 Accepts]: Start accepts. Automaton has 12912 states and 18556 transitions. Word has length 141 [2024-11-19 03:19:50,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:50,869 INFO L471 AbstractCegarLoop]: Abstraction has 12912 states and 18556 transitions. [2024-11-19 03:19:50,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.384615384615385) internal successors, (96), 11 states have internal predecessors, (96), 4 states have call successors, (15), 2 states have call predecessors, (15), 5 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-19 03:19:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 12912 states and 18556 transitions. [2024-11-19 03:19:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 03:19:50,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:50,877 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:50,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 03:19:51,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 03:19:51,082 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:51,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:51,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1873006078, now seen corresponding path program 1 times [2024-11-19 03:19:51,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:51,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748933271] [2024-11-19 03:19:51,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:51,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-19 03:19:51,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748933271] [2024-11-19 03:19:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748933271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:51,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:51,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:19:51,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803693628] [2024-11-19 03:19:51,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:51,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:19:51,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:51,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:19:51,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:51,900 INFO L87 Difference]: Start difference. First operand 12912 states and 18556 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:19:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:52,666 INFO L93 Difference]: Finished difference Result 33318 states and 47776 transitions. [2024-11-19 03:19:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:19:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 142 [2024-11-19 03:19:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:19:52,774 INFO L225 Difference]: With dead ends: 33318 [2024-11-19 03:19:52,775 INFO L226 Difference]: Without dead ends: 19979 [2024-11-19 03:19:52,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:19:52,825 INFO L432 NwaCegarLoop]: 2117 mSDtfsCounter, 1067 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 3471 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:19:52,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 3471 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:19:52,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19979 states. [2024-11-19 03:19:53,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19979 to 19920. [2024-11-19 03:19:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19920 states, 14305 states have (on average 1.3215658860538273) internal successors, (18905), 14656 states have internal predecessors, (18905), 4471 states have call successors, (4471), 1120 states have call predecessors, (4471), 1143 states have return successors, (5156), 4261 states have call predecessors, (5156), 4468 states have call successors, (5156) [2024-11-19 03:19:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19920 states to 19920 states and 28532 transitions. [2024-11-19 03:19:54,121 INFO L78 Accepts]: Start accepts. Automaton has 19920 states and 28532 transitions. Word has length 142 [2024-11-19 03:19:54,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:19:54,121 INFO L471 AbstractCegarLoop]: Abstraction has 19920 states and 28532 transitions. [2024-11-19 03:19:54,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:19:54,122 INFO L276 IsEmpty]: Start isEmpty. Operand 19920 states and 28532 transitions. [2024-11-19 03:19:54,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-19 03:19:54,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:19:54,135 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:19:54,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:19:54,136 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:19:54,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:19:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash 576764394, now seen corresponding path program 1 times [2024-11-19 03:19:54,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:19:54,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952433020] [2024-11-19 03:19:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:19:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:19:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:19:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-19 03:19:55,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:19:55,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952433020] [2024-11-19 03:19:55,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952433020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:19:55,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:19:55,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:19:55,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870085727] [2024-11-19 03:19:55,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:19:55,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:19:55,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:19:55,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:19:55,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:19:55,368 INFO L87 Difference]: Start difference. First operand 19920 states and 28532 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 03:19:59,390 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 [] [2024-11-19 03:19:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:19:59,949 INFO L93 Difference]: Finished difference Result 31061 states and 44357 transitions. [2024-11-19 03:19:59,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:19:59,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 163 [2024-11-19 03:19:59,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:00,025 INFO L225 Difference]: With dead ends: 31061 [2024-11-19 03:20:00,025 INFO L226 Difference]: Without dead ends: 11150 [2024-11-19 03:20:00,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:20:00,083 INFO L432 NwaCegarLoop]: 1403 mSDtfsCounter, 12 mSDsluCounter, 4189 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5592 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:20:00,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 5592 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:20:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11150 states. [2024-11-19 03:20:00,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11150 to 10907. [2024-11-19 03:20:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10907 states, 7848 states have (on average 1.3204638124362895) internal successors, (10363), 8043 states have internal predecessors, (10363), 2413 states have call successors, (2413), 634 states have call predecessors, (2413), 645 states have return successors, (2771), 2291 states have call predecessors, (2771), 2410 states have call successors, (2771) [2024-11-19 03:20:00,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10907 states to 10907 states and 15547 transitions. [2024-11-19 03:20:00,710 INFO L78 Accepts]: Start accepts. Automaton has 10907 states and 15547 transitions. Word has length 163 [2024-11-19 03:20:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:00,711 INFO L471 AbstractCegarLoop]: Abstraction has 10907 states and 15547 transitions. [2024-11-19 03:20:00,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-19 03:20:00,711 INFO L276 IsEmpty]: Start isEmpty. Operand 10907 states and 15547 transitions. [2024-11-19 03:20:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-19 03:20:00,718 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:00,718 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:20:00,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:20:00,719 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:00,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:00,719 INFO L85 PathProgramCache]: Analyzing trace with hash 289315960, now seen corresponding path program 1 times [2024-11-19 03:20:00,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:00,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903756869] [2024-11-19 03:20:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:00,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-19 03:20:01,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:01,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903756869] [2024-11-19 03:20:01,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903756869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:20:01,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:20:01,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 03:20:01,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479493557] [2024-11-19 03:20:01,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:20:01,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:20:01,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:20:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:20:01,539 INFO L87 Difference]: Start difference. First operand 10907 states and 15547 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:20:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:02,044 INFO L93 Difference]: Finished difference Result 21796 states and 31075 transitions. [2024-11-19 03:20:02,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 03:20:02,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 164 [2024-11-19 03:20:02,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:02,106 INFO L225 Difference]: With dead ends: 21796 [2024-11-19 03:20:02,106 INFO L226 Difference]: Without dead ends: 10931 [2024-11-19 03:20:02,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 03:20:02,138 INFO L432 NwaCegarLoop]: 1394 mSDtfsCounter, 1 mSDsluCounter, 2774 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4168 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:20:02,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4168 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:20:02,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10931 states. [2024-11-19 03:20:02,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10931 to 10923. [2024-11-19 03:20:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10923 states, 7864 states have (on average 1.3198118006103765) internal successors, (10379), 8059 states have internal predecessors, (10379), 2413 states have call successors, (2413), 634 states have call predecessors, (2413), 645 states have return successors, (2771), 2291 states have call predecessors, (2771), 2410 states have call successors, (2771) [2024-11-19 03:20:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10923 states to 10923 states and 15563 transitions. [2024-11-19 03:20:02,592 INFO L78 Accepts]: Start accepts. Automaton has 10923 states and 15563 transitions. Word has length 164 [2024-11-19 03:20:02,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:20:02,594 INFO L471 AbstractCegarLoop]: Abstraction has 10923 states and 15563 transitions. [2024-11-19 03:20:02,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:20:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 10923 states and 15563 transitions. [2024-11-19 03:20:02,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-19 03:20:02,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:20:02,603 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:20:02,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:20:02,604 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:20:02,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:20:02,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1399363770, now seen corresponding path program 1 times [2024-11-19 03:20:02,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:20:02,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945804252] [2024-11-19 03:20:02,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:02,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:20:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-19 03:20:03,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:20:03,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945804252] [2024-11-19 03:20:03,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945804252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:20:03,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399334990] [2024-11-19 03:20:03,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:20:03,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:20:03,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:20:03,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:20:03,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 03:20:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:20:11,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 03:20:11,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:20:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-19 03:20:11,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 03:20:12,228 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-19 03:20:12,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399334990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 03:20:12,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 03:20:12,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-19 03:20:12,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336061833] [2024-11-19 03:20:12,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 03:20:12,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 03:20:12,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:20:12,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 03:20:12,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-19 03:20:12,231 INFO L87 Difference]: Start difference. First operand 10923 states and 15563 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-19 03:20:12,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:20:12,933 INFO L93 Difference]: Finished difference Result 21827 states and 31106 transitions. [2024-11-19 03:20:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 03:20:12,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 158 [2024-11-19 03:20:12,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:20:12,999 INFO L225 Difference]: With dead ends: 21827 [2024-11-19 03:20:13,000 INFO L226 Difference]: Without dead ends: 10926 [2024-11-19 03:20:13,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-19 03:20:13,033 INFO L432 NwaCegarLoop]: 1395 mSDtfsCounter, 0 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5579 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:20:13,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5579 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:20:13,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10926 states.