./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd --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 db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:18:25,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:18:25,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 16:18:25,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:18:25,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:18:25,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:18:25,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:18:25,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:18:25,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:18:25,210 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:18:25,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:18:25,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:18:25,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:18:25,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:18:25,211 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:18:25,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:18:25,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:18:25,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:18:25,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:18:25,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:18:25,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:18:25,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:18:25,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:18:25,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:18:25,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:18:25,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:18:25,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:18:25,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:18:25,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:18:25,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:18:25,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:18:25,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:18:25,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:18:25,215 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd 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 -> db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 [2024-11-13 16:18:25,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:18:25,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:18:25,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:18:25,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:18:25,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:18:25,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i Unable to find full path for "g++" Unable to find full path for "g++" [2024-11-13 16:18:28,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:18:29,294 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:18:29,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2024-11-13 16:18:29,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/data/5449197c1/fa99e38892dc4c9d9cefbfe5c88447c1/FLAG247e25ec9 [2024-11-13 16:18:29,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/data/5449197c1/fa99e38892dc4c9d9cefbfe5c88447c1 [2024-11-13 16:18:29,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:18:29,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:18:29,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:18:29,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:18:29,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:18:29,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:18:29" (1/1) ... [2024-11-13 16:18:29,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:29, skipping insertion in model container [2024-11-13 16:18:29,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:18:29" (1/1) ... [2024-11-13 16:18:29,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:18:29,889 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2024-11-13 16:18:29,890 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2024-11-13 16:18:30,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2024-11-13 16:18:30,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:18:31,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:18:31,128 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2024-11-13 16:18:31,129 WARN L1355 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2024-11-13 16:18:31,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i[40937,40950] [2024-11-13 16:18:31,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:18:32,263 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:18:32,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32 WrapperNode [2024-11-13 16:18:32,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:18:32,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:18:32,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:18:32,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:18:32,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:32,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:34,119 INFO L138 Inliner]: procedures = 93, calls = 33281, calls flagged for inlining = 34, calls inlined = 31, statements flattened = 33892 [2024-11-13 16:18:34,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:18:34,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:18:34,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:18:34,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:18:34,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:34,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:34,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:35,086 INFO L175 MemorySlicer]: Split 33143 memory accesses to 8 slices as follows [269, 2, 11, 4, 4, 2, 32843, 8]. 99 percent of accesses are in the largest equivalence class. The 32774 initializations are split as follows [0, 2, 0, 0, 0, 0, 32768, 4]. The 344 writes are split as follows [268, 0, 11, 2, 0, 0, 63, 0]. [2024-11-13 16:18:35,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:35,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:36,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:36,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:36,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:36,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:36,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:18:36,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:18:36,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:18:36,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:18:36,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (1/1) ... [2024-11-13 16:18:36,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:18:36,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:18:36,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:18:36,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:18:36,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-13 16:18:36,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:18:36,538 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-13 16:18:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-13 16:18:36,539 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2024-11-13 16:18:36,539 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2024-11-13 16:18:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-13 16:18:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-13 16:18:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-13 16:18:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-13 16:18:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-13 16:18:36,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 16:18:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-13 16:18:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 16:18:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 16:18:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 16:18:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 16:18:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 16:18:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 16:18:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-13 16:18:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-13 16:18:36,546 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2024-11-13 16:18:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-13 16:18:36,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-13 16:18:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-13 16:18:36,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-13 16:18:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2024-11-13 16:18:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 16:18:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2024-11-13 16:18:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2024-11-13 16:18:36,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2024-11-13 16:18:36,548 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2024-11-13 16:18:36,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 16:18:36,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 16:18:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 16:18:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 16:18:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 16:18:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2024-11-13 16:18:36,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2024-11-13 16:18:36,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-13 16:18:36,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-13 16:18:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2024-11-13 16:18:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2024-11-13 16:18:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2024-11-13 16:18:36,556 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2024-11-13 16:18:36,556 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-13 16:18:36,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-13 16:18:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:18:36,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 16:18:36,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 16:18:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 16:18:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 16:18:36,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2024-11-13 16:18:36,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-13 16:18:36,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-13 16:18:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-13 16:18:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-13 16:18:36,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-13 16:18:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-13 16:18:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-13 16:18:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:18:36,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:18:36,565 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-13 16:18:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-13 16:18:36,566 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-13 16:18:36,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-13 16:18:37,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:18:37,070 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:18:37,127 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-13 16:26:19,842 INFO L? ?]: Removed 491 outVars from TransFormulas that were not future-live. [2024-11-13 16:26:19,843 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:26:19,860 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:26:19,861 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:26:19,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:19 BoogieIcfgContainer [2024-11-13 16:26:19,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:26:19,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:26:19,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:26:19,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:26:19,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:18:29" (1/3) ... [2024-11-13 16:26:19,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68500ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:26:19, skipping insertion in model container [2024-11-13 16:26:19,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:18:32" (2/3) ... [2024-11-13 16:26:19,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68500ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:26:19, skipping insertion in model container [2024-11-13 16:26:19,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:26:19" (3/3) ... [2024-11-13 16:26:19,872 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i [2024-11-13 16:26:19,889 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:26:19,892 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--fmc--fmc-fakedev.ko-entry_point.cil.out.i that has 29 procedures, 338 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2024-11-13 16:26:19,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:26:19,986 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;@3d01332d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:26:19,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:26:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 223 states have (on average 1.3721973094170403) internal successors, (306), 231 states have internal predecessors, (306), 57 states have call successors, (57), 21 states have call predecessors, (57), 20 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-13 16:26:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:26:20,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:26:20,012 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:26:20,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:26:20,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:26:20,019 INFO L85 PathProgramCache]: Analyzing trace with hash 2011717954, now seen corresponding path program 1 times [2024-11-13 16:26:20,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:26:20,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759305747] [2024-11-13 16:26:20,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:26:20,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:28:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:28:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 16:28:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:25,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:28:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:25,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:28:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:28:25,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:25,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759305747] [2024-11-13 16:28:25,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759305747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:25,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:25,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:28:25,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045904547] [2024-11-13 16:28:25,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:25,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:28:25,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:25,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:28:25,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:28:25,186 INFO L87 Difference]: Start difference. First operand has 302 states, 223 states have (on average 1.3721973094170403) internal successors, (306), 231 states have internal predecessors, (306), 57 states have call successors, (57), 21 states have call predecessors, (57), 20 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 16:28:31,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:28:35,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:35,155 INFO L93 Difference]: Finished difference Result 617 states and 880 transitions. [2024-11-13 16:28:35,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:28:35,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-13 16:28:35,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:35,184 INFO L225 Difference]: With dead ends: 617 [2024-11-13 16:28:35,185 INFO L226 Difference]: Without dead ends: 302 [2024-11-13 16:28:35,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:28:35,201 INFO L432 NwaCegarLoop]: 357 mSDtfsCounter, 73 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:35,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 879 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 238 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2024-11-13 16:28:35,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-13 16:28:35,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 285. [2024-11-13 16:28:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 214 states have (on average 1.341121495327103) internal successors, (287), 215 states have internal predecessors, (287), 51 states have call successors, (51), 20 states have call predecessors, (51), 19 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-13 16:28:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2024-11-13 16:28:35,327 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 50 [2024-11-13 16:28:35,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:35,327 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2024-11-13 16:28:35,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 16:28:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2024-11-13 16:28:35,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 16:28:35,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:35,333 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:35,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:28:35,334 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:35,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:35,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1992285800, now seen corresponding path program 1 times [2024-11-13 16:28:35,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:35,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824206312] [2024-11-13 16:28:35,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:30:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:30:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:30:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 16:30:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:30:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:30:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-13 16:30:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 16:30:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:30:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:30:32,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:30:32,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824206312] [2024-11-13 16:30:32,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824206312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:30:32,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:30:32,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:30:32,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701176008] [2024-11-13 16:30:32,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:30:32,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:30:32,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:30:32,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:30:32,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:30:32,592 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 16:30:34,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:30:38,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 16:30:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:30:42,038 INFO L93 Difference]: Finished difference Result 814 states and 1115 transitions. [2024-11-13 16:30:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:30:42,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2024-11-13 16:30:42,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:30:42,045 INFO L225 Difference]: With dead ends: 814 [2024-11-13 16:30:42,046 INFO L226 Difference]: Without dead ends: 544 [2024-11-13 16:30:42,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:30:42,051 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 442 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 89 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:30:42,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 808 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 225 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2024-11-13 16:30:42,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-13 16:30:42,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 521. [2024-11-13 16:30:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 396 states have (on average 1.3484848484848484) internal successors, (534), 397 states have internal predecessors, (534), 87 states have call successors, (87), 38 states have call predecessors, (87), 37 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-13 16:30:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 707 transitions. [2024-11-13 16:30:42,121 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 707 transitions. Word has length 57 [2024-11-13 16:30:42,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:30:42,122 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 707 transitions. [2024-11-13 16:30:42,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 16:30:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 707 transitions. [2024-11-13 16:30:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 16:30:42,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:30:42,125 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:42,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:30:42,126 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:30:42,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:42,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1127441704, now seen corresponding path program 1 times [2024-11-13 16:30:42,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:42,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862254915] [2024-11-13 16:30:42,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:42,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:32:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 16:32:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 16:32:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-13 16:32:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 16:32:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-13 16:32:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 16:32:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:32:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:32:23,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:32:23,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862254915] [2024-11-13 16:32:23,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862254915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 16:32:23,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77251786] [2024-11-13 16:32:23,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:32:23,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:32:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:32:23,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:32:23,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7a81d65-c0df-4b81-959f-b621560cfaa9/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process