./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--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/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--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 18:28:36,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 18:28:36,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 18:28:36,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 18:28:36,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 18:28:36,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 18:28:36,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 18:28:36,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 18:28:36,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 18:28:36,504 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 18:28:36,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 18:28:36,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 18:28:36,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 18:28:36,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 18:28:36,506 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 18:28:36,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 18:28:36,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 18:28:36,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 18:28:36,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 18:28:36,507 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:28:36,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:28:36,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:28:36,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 18:28:36,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 18:28:36,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:28:36,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 18:28:36,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 18:28:36,510 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 18:28:36,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 18:28:36,510 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 -> 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf [2025-01-09 18:28:36,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 18:28:36,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 18:28:36,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 18:28:36,778 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 18:28:36,778 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 18:28:36,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-01-09 18:28:38,128 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91631321c/83e6ee0bf88341c9b5cd43956e1a93dc/FLAGfc5a5aec3 [2025-01-09 18:28:38,684 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 18:28:38,685 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-01-09 18:28:38,728 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91631321c/83e6ee0bf88341c9b5cd43956e1a93dc/FLAGfc5a5aec3 [2025-01-09 18:28:38,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91631321c/83e6ee0bf88341c9b5cd43956e1a93dc [2025-01-09 18:28:38,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 18:28:38,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 18:28:38,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 18:28:38,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 18:28:38,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 18:28:38,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:28:38" (1/1) ... [2025-01-09 18:28:38,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b66964b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:38, skipping insertion in model container [2025-01-09 18:28:38,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 06:28:38" (1/1) ... [2025-01-09 18:28:38,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 18:28:39,446 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2025-01-09 18:28:39,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:28:39,782 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 18:28:39,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i[182110,182123] [2025-01-09 18:28:40,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 18:28:40,113 INFO L204 MainTranslator]: Completed translation [2025-01-09 18:28:40,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40 WrapperNode [2025-01-09 18:28:40,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 18:28:40,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 18:28:40,115 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 18:28:40,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 18:28:40,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,238 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1137 [2025-01-09 18:28:40,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 18:28:40,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 18:28:40,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 18:28:40,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 18:28:40,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,354 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [26, 2, 2, 23, 86, 4, 4, 2, 4, 7, 6]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 0, 0, 6, 0, 0, 0, 4, 7, 0]. The 94 writes are split as follows [26, 0, 1, 23, 30, 3, 4, 1, 0, 0, 6]. [2025-01-09 18:28:40,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,393 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 18:28:40,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 18:28:40,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 18:28:40,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 18:28:40,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (1/1) ... [2025-01-09 18:28:40,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 18:28:40,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 18:28:40,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 18:28:40,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 18:28:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2025-01-09 18:28:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2025-01-09 18:28:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 18:28:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 18:28:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 18:28:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 18:28:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-01-09 18:28:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 18:28:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2025-01-09 18:28:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-01-09 18:28:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-01-09 18:28:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-01-09 18:28:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-01-09 18:28:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2025-01-09 18:28:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2025-01-09 18:28:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2025-01-09 18:28:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2025-01-09 18:28:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2025-01-09 18:28:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2025-01-09 18:28:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2025-01-09 18:28:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 18:28:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2025-01-09 18:28:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 18:28:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 18:28:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 18:28:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 18:28:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 18:28:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-01-09 18:28:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-01-09 18:28:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-01-09 18:28:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-01-09 18:28:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-01-09 18:28:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2025-01-09 18:28:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-01-09 18:28:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-01-09 18:28:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2025-01-09 18:28:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-01-09 18:28:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2025-01-09 18:28:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2025-01-09 18:28:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-01-09 18:28:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-01-09 18:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-01-09 18:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-01-09 18:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-01-09 18:28:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-01-09 18:28:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 18:28:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 18:28:40,949 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 18:28:40,952 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 18:28:40,979 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-01-09 18:28:44,266 INFO L? ?]: Removed 456 outVars from TransFormulas that were not future-live. [2025-01-09 18:28:44,266 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 18:28:44,292 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 18:28:44,295 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 18:28:44,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:28:44 BoogieIcfgContainer [2025-01-09 18:28:44,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 18:28:44,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 18:28:44,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 18:28:44,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 18:28:44,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 06:28:38" (1/3) ... [2025-01-09 18:28:44,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f387235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:28:44, skipping insertion in model container [2025-01-09 18:28:44,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 06:28:40" (2/3) ... [2025-01-09 18:28:44,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f387235 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 06:28:44, skipping insertion in model container [2025-01-09 18:28:44,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:28:44" (3/3) ... [2025-01-09 18:28:44,305 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2025-01-09 18:28:44,316 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 18:28:44,318 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i that has 29 procedures, 428 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-01-09 18:28:44,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 18:28:44,396 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;@4c26be27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 18:28:44,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 18:28:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 411 states, 294 states have (on average 1.336734693877551) internal successors, (393), 306 states have internal predecessors, (393), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-01-09 18:28:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-09 18:28:44,413 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:28:44,414 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:28:44,414 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:28:44,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:28:44,420 INFO L85 PathProgramCache]: Analyzing trace with hash -152782508, now seen corresponding path program 1 times [2025-01-09 18:28:44,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:28:44,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43639764] [2025-01-09 18:28:44,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:28:44,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:28:44,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-09 18:28:44,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-09 18:28:44,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:28:44,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:28:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:28:45,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:28:45,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43639764] [2025-01-09 18:28:45,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43639764] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:28:45,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:28:45,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:28:45,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534397374] [2025-01-09 18:28:45,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:28:45,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:28:45,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:28:45,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:28:45,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:45,218 INFO L87 Difference]: Start difference. First operand has 411 states, 294 states have (on average 1.336734693877551) internal successors, (393), 306 states have internal predecessors, (393), 92 states have call successors, (92), 24 states have call predecessors, (92), 23 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2025-01-09 18:28:48,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-01-09 18:28:48,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:28:48,635 INFO L93 Difference]: Finished difference Result 1170 states and 1684 transitions. [2025-01-09 18:28:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:28:48,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2025-01-09 18:28:48,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:28:48,658 INFO L225 Difference]: With dead ends: 1170 [2025-01-09 18:28:48,659 INFO L226 Difference]: Without dead ends: 748 [2025-01-09 18:28:48,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:48,670 INFO L435 NwaCegarLoop]: 560 mSDtfsCounter, 486 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2025-01-09 18:28:48,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1106 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2025-01-09 18:28:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2025-01-09 18:28:48,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2025-01-09 18:28:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 542 states have (on average 1.2988929889298892) internal successors, (704), 550 states have internal predecessors, (704), 164 states have call successors, (164), 42 states have call predecessors, (164), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:28:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1027 transitions. [2025-01-09 18:28:48,815 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1027 transitions. Word has length 40 [2025-01-09 18:28:48,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:28:48,818 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1027 transitions. [2025-01-09 18:28:48,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2025-01-09 18:28:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1027 transitions. [2025-01-09 18:28:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-09 18:28:48,821 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:28:48,822 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:28:48,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 18:28:48,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:28:48,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:28:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1956887815, now seen corresponding path program 1 times [2025-01-09 18:28:48,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:28:48,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754079290] [2025-01-09 18:28:48,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:28:48,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:28:48,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-09 18:28:48,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-09 18:28:48,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:28:48,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:28:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:28:49,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:28:49,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754079290] [2025-01-09 18:28:49,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754079290] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:28:49,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:28:49,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:28:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301697942] [2025-01-09 18:28:49,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:28:49,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:28:49,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:28:49,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:28:49,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:49,299 INFO L87 Difference]: Start difference. First operand 748 states and 1027 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 18:28:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:28:49,374 INFO L93 Difference]: Finished difference Result 750 states and 1028 transitions. [2025-01-09 18:28:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:28:49,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2025-01-09 18:28:49,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:28:49,383 INFO L225 Difference]: With dead ends: 750 [2025-01-09 18:28:49,384 INFO L226 Difference]: Without dead ends: 747 [2025-01-09 18:28:49,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:49,385 INFO L435 NwaCegarLoop]: 544 mSDtfsCounter, 522 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 544 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 [2025-01-09 18:28:49,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 544 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:28:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-01-09 18:28:49,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2025-01-09 18:28:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 542 states have (on average 1.2970479704797049) internal successors, (703), 549 states have internal predecessors, (703), 163 states have call successors, (163), 42 states have call predecessors, (163), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:28:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1025 transitions. [2025-01-09 18:28:49,477 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1025 transitions. Word has length 42 [2025-01-09 18:28:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:28:49,478 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1025 transitions. [2025-01-09 18:28:49,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-09 18:28:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1025 transitions. [2025-01-09 18:28:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-09 18:28:49,482 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:28:49,483 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:28:49,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 18:28:49,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:28:49,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:28:49,486 INFO L85 PathProgramCache]: Analyzing trace with hash 533757956, now seen corresponding path program 1 times [2025-01-09 18:28:49,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:28:49,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287736684] [2025-01-09 18:28:49,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:28:49,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:28:49,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-09 18:28:49,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-09 18:28:49,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:28:49,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:28:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:28:50,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:28:50,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287736684] [2025-01-09 18:28:50,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287736684] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:28:50,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:28:50,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:28:50,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643323840] [2025-01-09 18:28:50,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:28:50,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:28:50,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:28:50,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:28:50,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:50,011 INFO L87 Difference]: Start difference. First operand 747 states and 1025 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2025-01-09 18:28:50,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:28:50,139 INFO L93 Difference]: Finished difference Result 749 states and 1026 transitions. [2025-01-09 18:28:50,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:28:50,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 43 [2025-01-09 18:28:50,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:28:50,149 INFO L225 Difference]: With dead ends: 749 [2025-01-09 18:28:50,150 INFO L226 Difference]: Without dead ends: 746 [2025-01-09 18:28:50,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:50,152 INFO L435 NwaCegarLoop]: 542 mSDtfsCounter, 519 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 542 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 [2025-01-09 18:28:50,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 542 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:28:50,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-01-09 18:28:50,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 746. [2025-01-09 18:28:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 542 states have (on average 1.2952029520295203) internal successors, (702), 548 states have internal predecessors, (702), 162 states have call successors, (162), 42 states have call predecessors, (162), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:28:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2025-01-09 18:28:50,246 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 43 [2025-01-09 18:28:50,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:28:50,247 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2025-01-09 18:28:50,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2025-01-09 18:28:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2025-01-09 18:28:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-09 18:28:50,252 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:28:50,253 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:28:50,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 18:28:50,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:28:50,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:28:50,254 INFO L85 PathProgramCache]: Analyzing trace with hash -633589846, now seen corresponding path program 1 times [2025-01-09 18:28:50,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:28:50,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432625194] [2025-01-09 18:28:50,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:28:50,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:28:50,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 18:28:50,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 18:28:50,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:28:50,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:28:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:28:50,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:28:50,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432625194] [2025-01-09 18:28:50,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432625194] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:28:50,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:28:50,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:28:50,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877869670] [2025-01-09 18:28:50,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:28:50,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:28:50,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:28:50,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:28:50,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:50,464 INFO L87 Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-01-09 18:28:50,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:28:50,538 INFO L93 Difference]: Finished difference Result 748 states and 1024 transitions. [2025-01-09 18:28:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:28:50,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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 [2025-01-09 18:28:50,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:28:50,548 INFO L225 Difference]: With dead ends: 748 [2025-01-09 18:28:50,548 INFO L226 Difference]: Without dead ends: 745 [2025-01-09 18:28:50,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:50,550 INFO L435 NwaCegarLoop]: 540 mSDtfsCounter, 516 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 540 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 [2025-01-09 18:28:50,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 540 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:28:50,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2025-01-09 18:28:50,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2025-01-09 18:28:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 542 states have (on average 1.2933579335793357) internal successors, (701), 547 states have internal predecessors, (701), 161 states have call successors, (161), 42 states have call predecessors, (161), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:28:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1021 transitions. [2025-01-09 18:28:50,642 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1021 transitions. Word has length 44 [2025-01-09 18:28:50,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:28:50,643 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1021 transitions. [2025-01-09 18:28:50,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2025-01-09 18:28:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1021 transitions. [2025-01-09 18:28:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-09 18:28:50,647 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:28:50,647 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:28:50,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 18:28:50,648 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:28:50,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:28:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1833338823, now seen corresponding path program 1 times [2025-01-09 18:28:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:28:50,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747837112] [2025-01-09 18:28:50,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:28:50,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:28:50,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 18:28:50,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 18:28:50,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:28:50,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:28:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:28:50,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:28:50,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747837112] [2025-01-09 18:28:50,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747837112] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:28:50,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:28:50,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:28:50,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255241666] [2025-01-09 18:28:50,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:28:50,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:28:50,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:28:50,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:28:50,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:50,811 INFO L87 Difference]: Start difference. First operand 745 states and 1021 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2025-01-09 18:28:50,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:28:50,896 INFO L93 Difference]: Finished difference Result 747 states and 1022 transitions. [2025-01-09 18:28:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:28:50,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 45 [2025-01-09 18:28:50,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:28:50,903 INFO L225 Difference]: With dead ends: 747 [2025-01-09 18:28:50,904 INFO L226 Difference]: Without dead ends: 744 [2025-01-09 18:28:50,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:50,906 INFO L435 NwaCegarLoop]: 538 mSDtfsCounter, 513 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 538 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 [2025-01-09 18:28:50,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 538 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:28:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-01-09 18:28:50,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2025-01-09 18:28:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 542 states have (on average 1.2915129151291513) internal successors, (700), 546 states have internal predecessors, (700), 160 states have call successors, (160), 42 states have call predecessors, (160), 41 states have return successors, (159), 159 states have call predecessors, (159), 159 states have call successors, (159) [2025-01-09 18:28:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1019 transitions. [2025-01-09 18:28:50,993 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1019 transitions. Word has length 45 [2025-01-09 18:28:50,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:28:50,995 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1019 transitions. [2025-01-09 18:28:50,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2025-01-09 18:28:50,995 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1019 transitions. [2025-01-09 18:28:50,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-09 18:28:50,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 18:28:51,000 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 18:28:51,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 18:28:51,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 18:28:51,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 18:28:51,001 INFO L85 PathProgramCache]: Analyzing trace with hash 998721101, now seen corresponding path program 1 times [2025-01-09 18:28:51,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 18:28:51,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870217895] [2025-01-09 18:28:51,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 18:28:51,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 18:28:51,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-09 18:28:51,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-09 18:28:51,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 18:28:51,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 18:28:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-09 18:28:51,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 18:28:51,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870217895] [2025-01-09 18:28:51,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870217895] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 18:28:51,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 18:28:51,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 18:28:51,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388198826] [2025-01-09 18:28:51,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 18:28:51,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 18:28:51,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 18:28:51,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 18:28:51,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:51,186 INFO L87 Difference]: Start difference. First operand 744 states and 1019 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2025-01-09 18:28:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 18:28:51,263 INFO L93 Difference]: Finished difference Result 744 states and 1019 transitions. [2025-01-09 18:28:51,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 18:28:51,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 46 [2025-01-09 18:28:51,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 18:28:51,267 INFO L225 Difference]: With dead ends: 744 [2025-01-09 18:28:51,267 INFO L226 Difference]: Without dead ends: 0 [2025-01-09 18:28:51,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 18:28:51,272 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 509 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 536 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 [2025-01-09 18:28:51,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 18:28:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-09 18:28:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-09 18:28:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 18:28:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-09 18:28:51,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2025-01-09 18:28:51,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 18:28:51,273 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-09 18:28:51,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2025-01-09 18:28:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-09 18:28:51,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-09 18:28:51,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 18:28:51,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 18:28:51,282 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 18:28:51,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-09 18:28:58,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 18:28:58,560 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2025-01-09 18:28:58,561 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base [2025-01-09 18:28:58,561 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset [2025-01-09 18:28:58,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2025-01-09 18:28:58,562 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset [2025-01-09 18:28:58,568 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2025-01-09 18:28:58,568 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base [2025-01-09 18:28:58,568 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset [2025-01-09 18:28:58,568 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base [2025-01-09 18:28:58,568 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset [2025-01-09 18:28:58,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 06:28:58 BoogieIcfgContainer [2025-01-09 18:28:58,569 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 18:28:58,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 18:28:58,571 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 18:28:58,571 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 18:28:58,572 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 06:28:44" (3/4) ... [2025-01-09 18:28:58,574 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 18:28:58,580 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure spi_message_add_tail [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure spi_message_init [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_reset [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2025-01-09 18:28:58,581 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_release_2 [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure to_spi_device [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure spi_sync [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2025-01-09 18:28:58,582 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-01-09 18:28:58,583 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure wl12xx_spi_init [2025-01-09 18:28:58,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 128 nodes and edges [2025-01-09 18:28:58,612 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2025-01-09 18:28:58,614 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-01-09 18:28:58,617 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-01-09 18:28:58,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-01-09 18:28:58,621 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 18:28:58,805 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 18:28:58,805 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 18:28:58,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 18:28:58,807 INFO L158 Benchmark]: Toolchain (without parser) took 20055.32ms. Allocated memory was 201.3MB in the beginning and 327.2MB in the end (delta: 125.8MB). Free memory was 147.1MB in the beginning and 154.0MB in the end (delta: -6.9MB). Peak memory consumption was 122.6MB. Max. memory is 16.1GB. [2025-01-09 18:28:58,807 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:28:58,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1360.41ms. Allocated memory is still 201.3MB. Free memory was 146.8MB in the beginning and 114.3MB in the end (delta: 32.4MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. [2025-01-09 18:28:58,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.14ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 107.1MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 18:28:58,808 INFO L158 Benchmark]: Boogie Preprocessor took 206.22ms. Allocated memory is still 201.3MB. Free memory was 107.1MB in the beginning and 82.8MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 18:28:58,809 INFO L158 Benchmark]: RCFGBuilder took 3849.58ms. Allocated memory is still 201.3MB. Free memory was 82.8MB in the beginning and 106.0MB in the end (delta: -23.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2025-01-09 18:28:58,809 INFO L158 Benchmark]: TraceAbstraction took 14271.54ms. Allocated memory was 201.3MB in the beginning and 327.2MB in the end (delta: 125.8MB). Free memory was 106.0MB in the beginning and 174.4MB in the end (delta: -68.3MB). Peak memory consumption was 173.3MB. Max. memory is 16.1GB. [2025-01-09 18:28:58,809 INFO L158 Benchmark]: Witness Printer took 234.64ms. Allocated memory is still 327.2MB. Free memory was 174.4MB in the beginning and 154.0MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 18:28:58,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1360.41ms. Allocated memory is still 201.3MB. Free memory was 146.8MB in the beginning and 114.3MB in the end (delta: 32.4MB). Peak memory consumption was 126.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.14ms. Allocated memory is still 201.3MB. Free memory was 114.3MB in the beginning and 107.1MB in the end (delta: 7.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 206.22ms. Allocated memory is still 201.3MB. Free memory was 107.1MB in the beginning and 82.8MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3849.58ms. Allocated memory is still 201.3MB. Free memory was 82.8MB in the beginning and 106.0MB in the end (delta: -23.2MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14271.54ms. Allocated memory was 201.3MB in the beginning and 327.2MB in the end (delta: 125.8MB). Free memory was 106.0MB in the beginning and 174.4MB in the end (delta: -68.3MB). Peak memory consumption was 173.3MB. Max. memory is 16.1GB. * Witness Printer took 234.64ms. Allocated memory is still 327.2MB. Free memory was 174.4MB in the beginning and 154.0MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_urb~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~usb_dev~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6418]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 428 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3065 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3065 mSDsluCounter, 3806 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 546 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3260 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=748occurred in iteration=1, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6868]: Location Invariant Derived location invariant: (((INTERF_STATE == 0) && (dev_counter == 0)) && (SERIAL_STATE == 0)) - InvariantResult [Line: 6802]: Location Invariant Derived location invariant: (((INTERF_STATE == 0) && (dev_counter == 0)) && (SERIAL_STATE == 0)) RESULT: Ultimate proved your program to be correct! [2025-01-09 18:28:58,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE