./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/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_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 05:05:59,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:05:59,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 05:05:59,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:05:59,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:05:59,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:05:59,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:05:59,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:05:59,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:05:59,213 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:05:59,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:05:59,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:05:59,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:05:59,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:05:59,216 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:05:59,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:05:59,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:05:59,218 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:05:59,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:05:59,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:05:59,219 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:05:59,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:05:59,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:05:59,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:05:59,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:05:59,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:05:59,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:05:59,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:05:59,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:05:59,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:05:59,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:05:59,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:05:59,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:05:59,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:05:59,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:05:59,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:05:59,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:05:59,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:05:59,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:05:59,236 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_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09076fa9a5c529090d66c116e7ec6dbccd2fd7809e50a63c87ed8084989776 [2023-11-29 05:05:59,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:05:59,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:05:59,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:05:59,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:05:59,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:05:59,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/../../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 [2023-11-29 05:06:02,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:06:02,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:06:02,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/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 [2023-11-29 05:06:02,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/data/a5c40de29/68eb4b24fe05457db3bd9e504c18d5cb/FLAG41aeb57bd [2023-11-29 05:06:02,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/data/a5c40de29/68eb4b24fe05457db3bd9e504c18d5cb [2023-11-29 05:06:02,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:06:02,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:06:02,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:06:02,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:06:02,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:06:02,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:06:02" (1/1) ... [2023-11-29 05:06:02,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b23b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:02, skipping insertion in model container [2023-11-29 05:06:02,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:06:02" (1/1) ... [2023-11-29 05:06:02,643 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:06:02,892 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2023-11-29 05:06:02,893 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2023-11-29 05:06:02,962 WARN L240 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_966a3b0b-2335-464c-83a9-ceb4a9679279/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] [2023-11-29 05:06:03,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:06:03,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:06:03,404 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1268] [2023-11-29 05:06:03,404 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1269-1270] [2023-11-29 05:06:03,412 WARN L240 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_966a3b0b-2335-464c-83a9-ceb4a9679279/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] [2023-11-29 05:06:03,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:06:03,556 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:06:03,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03 WrapperNode [2023-11-29 05:06:03,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:06:03,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:06:03,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:06:03,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:06:03,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,676 INFO L138 Inliner]: procedures = 93, calls = 964, calls flagged for inlining = 34, calls inlined = 31, statements flattened = 1560 [2023-11-29 05:06:03,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:06:03,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:06:03,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:06:03,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:06:03,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,804 INFO L175 MemorySlicer]: Split 824 memory accesses to 8 slices as follows [2, 4, 2, 267, 10, 527, 4, 8]. 64 percent of accesses are in the largest equivalence class. The 324 initializations are split as follows [2, 0, 0, 265, 10, 43, 0, 4]. The 475 writes are split as follows [0, 2, 0, 1, 0, 472, 0, 0]. [2023-11-29 05:06:03,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:06:03,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:06:03,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:06:03,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:06:03,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (1/1) ... [2023-11-29 05:06:03,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:06:03,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:06:03,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:06:03,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_966a3b0b-2335-464c-83a9-ceb4a9679279/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:06:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 05:06:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 05:06:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-29 05:06:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_unregister_n [2023-11-29 05:06:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_unregister_n [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 05:06:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 05:06:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 05:06:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 05:06:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 05:06:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure ff_validate [2023-11-29 05:06:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_validate [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-29 05:06:03,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-29 05:06:03,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-29 05:06:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure ff_irq_request [2023-11-29 05:06:03,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_irq_request [2023-11-29 05:06:03,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 05:06:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 05:06:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-29 05:06:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-29 05:06:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure ff_reprogram [2023-11-29 05:06:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_reprogram [2023-11-29 05:06:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure ff_writel [2023-11-29 05:06:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_writel [2023-11-29 05:06:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:06:03,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:06:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ff_readl [2023-11-29 05:06:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_readl [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 05:06:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_device_register_n [2023-11-29 05:06:03,975 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_device_register_n [2023-11-29 05:06:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-29 05:06:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-29 05:06:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-29 05:06:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-29 05:06:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-29 05:06:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-29 05:06:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:06:03,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:06:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:06:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:06:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure ff_dev_create [2023-11-29 05:06:03,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ff_dev_create [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 05:06:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-29 05:06:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:06:03,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:06:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-29 05:06:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-29 05:06:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-29 05:06:03,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-29 05:06:04,327 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:06:04,330 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:06:04,369 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 05:06:17,683 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:06:18,318 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:06:18,318 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:06:18,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:06:18 BoogieIcfgContainer [2023-11-29 05:06:18,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:06:18,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:06:18,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:06:18,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:06:18,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:06:02" (1/3) ... [2023-11-29 05:06:18,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcb8997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:06:18, skipping insertion in model container [2023-11-29 05:06:18,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:06:03" (2/3) ... [2023-11-29 05:06:18,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcb8997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:06:18, skipping insertion in model container [2023-11-29 05:06:18,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:06:18" (3/3) ... [2023-11-29 05:06:18,327 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 [2023-11-29 05:06:18,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:06:18,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:06:18,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:06:18,398 INFO L357 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, mHoare=true, 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;@13f023e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:06:18,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:06:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 177 states have (on average 1.4689265536723164) internal successors, (260), 185 states have internal predecessors, (260), 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) [2023-11-29 05:06:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 05:06:18,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:06:18,417 INFO L195 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] [2023-11-29 05:06:18,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:06:18,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:06:18,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2058790335, now seen corresponding path program 1 times [2023-11-29 05:06:18,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:06:18,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541219498] [2023-11-29 05:06:18,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:06:18,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:14:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:14:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:14:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 05:14:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:46,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 05:14:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 05:14:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:14:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 05:14:46,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:14:46,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541219498] [2023-11-29 05:14:46,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541219498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:14:46,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:14:46,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:14:46,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775797872] [2023-11-29 05:14:46,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:14:46,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:14:46,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:14:46,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:14:46,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:14:46,065 INFO L87 Difference]: Start difference. First operand has 256 states, 177 states have (on average 1.4689265536723164) internal successors, (260), 185 states have internal predecessors, (260), 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 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-29 05:14:50,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:54,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:14:59,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:15:02,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:15:02,214 INFO L93 Difference]: Finished difference Result 525 states and 788 transitions. [2023-11-29 05:15:02,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:15:02,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 47 [2023-11-29 05:15:02,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:15:02,228 INFO L225 Difference]: With dead ends: 525 [2023-11-29 05:15:02,228 INFO L226 Difference]: Without dead ends: 260 [2023-11-29 05:15:02,233 INFO L412 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 [2023-11-29 05:15:02,236 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 54 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 54 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:15:02,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 750 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 250 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2023-11-29 05:15:02,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-11-29 05:15:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 245. [2023-11-29 05:15:02,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 174 states have (on average 1.4195402298850575) internal successors, (247), 175 states have internal predecessors, (247), 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) [2023-11-29 05:15:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 348 transitions. [2023-11-29 05:15:02,293 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 348 transitions. Word has length 47 [2023-11-29 05:15:02,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:15:02,293 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 348 transitions. [2023-11-29 05:15:02,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-11-29 05:15:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 348 transitions. [2023-11-29 05:15:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 05:15:02,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:15:02,298 INFO L195 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] [2023-11-29 05:15:02,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:15:02,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:15:02,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:15:02,299 INFO L85 PathProgramCache]: Analyzing trace with hash -155726598, now seen corresponding path program 1 times [2023-11-29 05:15:02,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:15:02,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595496985] [2023-11-29 05:15:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:15:02,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms