./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 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU --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 0.2.5-dev-4fc63b2 [2024-10-31 21:59:30,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:30,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 21:59:30,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:30,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:30,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:30,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:30,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:30,561 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:30,563 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:30,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:30,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:30,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:30,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:30,567 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:30,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:30,568 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:30,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:30,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:30,570 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:30,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:30,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:30,574 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:30,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:30,575 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:30,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:30,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:30,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:30,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:30,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:30,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:30,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:30,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:30,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:30,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:30,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:30,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:30,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:30,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:30,582 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1657481d5228681bef1950f6f1ab81a8ec46d121315dee697958f1e243133bbf [2024-10-31 21:59:30,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:30,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:30,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:30,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:30,949 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:30,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/../../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 Unable to find full path for "g++" [2024-10-31 21:59:33,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:33,616 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:33,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/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 [2024-10-31 21:59:33,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/data/122c8962e/d9ad06f3c87c4150b20802a88bedb49c/FLAGf7dc6b7ff [2024-10-31 21:59:33,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/data/122c8962e/d9ad06f3c87c4150b20802a88bedb49c [2024-10-31 21:59:33,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:33,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:33,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:33,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:33,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:33,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea956be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:33, skipping insertion in model container [2024-10-31 21:59:33,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:33" (1/1) ... [2024-10-31 21:59:33,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:34,773 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/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] [2024-10-31 21:59:35,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:35,193 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:35,387 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/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] [2024-10-31 21:59:35,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:35,551 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:35,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35 WrapperNode [2024-10-31 21:59:35,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:35,553 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:35,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:35,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:35,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,687 INFO L138 Inliner]: procedures = 97, calls = 367, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 1157 [2024-10-31 21:59:35,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:35,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:35,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:35,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:35,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,865 INFO L175 MemorySlicer]: Split 166 memory accesses to 11 slices as follows [2, 23, 86, 6, 4, 7, 2, 2, 26, 4, 4]. 52 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 6, 0, 0, 7, 0, 0, 0, 4, 0]. The 94 writes are split as follows [0, 23, 30, 6, 3, 0, 1, 1, 26, 0, 4]. [2024-10-31 21:59:35,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:35,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:36,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:36,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:36,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:36,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:36,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (1/1) ... [2024-10-31 21:59:36,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:36,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f804ed04-8550-474e-86ce-a42c0544dd5b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-10-31 21:59:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-10-31 21:59:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:59:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:59:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:59:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:59:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:59:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 21:59:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 21:59:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 21:59:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 21:59:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 21:59:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 21:59:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:59:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:59:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:59:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:59:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:59:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 21:59:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 21:59:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 21:59:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 21:59:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 21:59:36,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 21:59:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-31 21:59:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-31 21:59:36,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:59:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:59:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:59:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:59:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:59:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:59:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:59:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 21:59:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 21:59:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 21:59:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 21:59:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2024-10-31 21:59:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2024-10-31 21:59:36,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-31 21:59:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-31 21:59:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-31 21:59:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-31 21:59:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:59:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:59:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:59:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:59:36,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 21:59:36,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-31 21:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-31 21:59:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2024-10-31 21:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2024-10-31 21:59:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2024-10-31 21:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2024-10-31 21:59:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-10-31 21:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-10-31 21:59:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-31 21:59:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-31 21:59:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 21:59:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-31 21:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-31 21:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-31 21:59:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:59:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:59:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2024-10-31 21:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2024-10-31 21:59:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:59:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:59:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:59:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:59:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:59:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:59:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:59:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 21:59:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 21:59:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2024-10-31 21:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:59:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:59:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 21:59:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2024-10-31 21:59:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-10-31 21:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-31 21:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2024-10-31 21:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:59:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-10-31 21:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-10-31 21:59:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:36,683 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:36,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:36,724 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-31 21:59:42,641 INFO L? ?]: Removed 458 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:42,641 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:42,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:42,664 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 21:59:42,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:42 BoogieIcfgContainer [2024-10-31 21:59:42,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:42,668 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:42,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:42,675 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:42,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:33" (1/3) ... [2024-10-31 21:59:42,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbee14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:42, skipping insertion in model container [2024-10-31 21:59:42,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:35" (2/3) ... [2024-10-31 21:59:42,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dbee14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:42, skipping insertion in model container [2024-10-31 21:59:42,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:42" (3/3) ... [2024-10-31 21:59:42,680 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2024-10-31 21:59:42,701 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:42,702 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:59:42,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:42,827 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;@34ba8b30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:42,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:59:42,835 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) [2024-10-31 21:59:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-31 21:59:42,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:42,848 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:42,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:42,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:42,855 INFO L85 PathProgramCache]: Analyzing trace with hash -934774961, now seen corresponding path program 1 times [2024-10-31 21:59:42,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:42,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174910514] [2024-10-31 21:59:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:42,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:43,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:59:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:43,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 21:59:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:43,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 21:59:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:59:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:43,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:43,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:43,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174910514] [2024-10-31 21:59:43,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174910514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:43,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:43,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:59:43,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339408342] [2024-10-31 21:59:43,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:43,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:43,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:43,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:43,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:43,854 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 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:47,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:59:51,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:59:54,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:54,742 INFO L93 Difference]: Finished difference Result 1204 states and 1751 transitions. [2024-10-31 21:59:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 21:59:54,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 4 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 [2024-10-31 21:59:54,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:54,766 INFO L225 Difference]: With dead ends: 1204 [2024-10-31 21:59:54,766 INFO L226 Difference]: Without dead ends: 782 [2024-10-31 21:59:54,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-31 21:59:54,778 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 1017 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 688 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:54,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1464 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 742 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2024-10-31 21:59:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-10-31 21:59:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 748. [2024-10-31 21:59:54,930 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) [2024-10-31 21:59:54,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1027 transitions. [2024-10-31 21:59:54,939 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1027 transitions. Word has length 40 [2024-10-31 21:59:54,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:54,939 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1027 transitions. [2024-10-31 21:59:54,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1027 transitions. [2024-10-31 21:59:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-31 21:59:54,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:54,943 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:54,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:54,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:59:54,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:54,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2081417282, now seen corresponding path program 1 times [2024-10-31 21:59:54,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:54,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115419589] [2024-10-31 21:59:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:54,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:55,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:59:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:55,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 21:59:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:55,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 21:59:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:55,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:59:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:55,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:55,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115419589] [2024-10-31 21:59:55,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115419589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:55,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:55,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 21:59:55,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997722230] [2024-10-31 21:59:55,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:55,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:55,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:55,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:55,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:59:55,511 INFO L87 Difference]: Start difference. First operand 748 states and 1027 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 21:59:59,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:00:01,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:01,825 INFO L93 Difference]: Finished difference Result 784 states and 1095 transitions. [2024-10-31 22:00:01,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:00:01,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-10-31 22:00:01,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:01,839 INFO L225 Difference]: With dead ends: 784 [2024-10-31 22:00:01,840 INFO L226 Difference]: Without dead ends: 781 [2024-10-31 22:00:01,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:00:01,842 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 774 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:01,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 1113 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 487 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-10-31 22:00:01,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-31 22:00:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 747. [2024-10-31 22:00:01,929 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) [2024-10-31 22:00:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1025 transitions. [2024-10-31 22:00:01,936 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1025 transitions. Word has length 42 [2024-10-31 22:00:01,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:01,937 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1025 transitions. [2024-10-31 22:00:01,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 22:00:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1025 transitions. [2024-10-31 22:00:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-31 22:00:01,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:01,942 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:01,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:00:01,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:00:01,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:01,944 INFO L85 PathProgramCache]: Analyzing trace with hash 99204137, now seen corresponding path program 1 times [2024-10-31 22:00:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:01,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552154493] [2024-10-31 22:00:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:02,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:00:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:02,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:00:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:02,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-31 22:00:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:02,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:00:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:00:02,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:02,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552154493] [2024-10-31 22:00:02,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552154493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:02,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:02,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:00:02,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644841103] [2024-10-31 22:00:02,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:02,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:00:02,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:02,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:00:02,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:00:02,403 INFO L87 Difference]: Start difference. First operand 747 states and 1025 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-31 22:00:06,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []