./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB --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 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:30:12,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:30:12,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:30:12,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:30:12,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:30:12,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:30:12,262 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:30:12,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:30:12,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:30:12,264 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:30:12,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:30:12,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:30:12,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:30:12,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:30:12,266 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:30:12,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:30:12,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:30:12,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:30:12,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:30:12,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:30:12,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:30:12,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:30:12,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:30:12,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:30:12,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:30:12,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:30:12,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:30:12,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:30:12,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:30:12,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:30:12,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:30:12,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:30:12,271 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_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 47d4461f591f5c9a52c15dff47d7e2157d1252b7ce09c2294e271b7cda5a7338 [2024-11-28 02:30:12,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:30:12,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:30:12,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:30:12,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:30:12,706 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:30:12,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-11-28 02:30:16,474 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/data/bf8ea624c/8a3a61954cda47b49f9a3e08dfe1b6a1/FLAG5891cf340 [2024-11-28 02:30:17,267 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:30:17,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-11-28 02:30:17,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/data/bf8ea624c/8a3a61954cda47b49f9a3e08dfe1b6a1/FLAG5891cf340 [2024-11-28 02:30:17,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/data/bf8ea624c/8a3a61954cda47b49f9a3e08dfe1b6a1 [2024-11-28 02:30:17,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:30:17,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:30:17,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:30:17,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:30:17,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:30:17,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:30:17" (1/1) ... [2024-11-28 02:30:17,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522e6e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:17, skipping insertion in model container [2024-11-28 02:30:17,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:30:17" (1/1) ... [2024-11-28 02:30:17,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:30:18,822 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_82c19807-8d89-43d7-b64e-725ae2a7aec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2024-11-28 02:30:18,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:30:18,890 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:30:19,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] [2024-11-28 02:30:19,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] [2024-11-28 02:30:19,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] [2024-11-28 02:30:19,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] [2024-11-28 02:30:19,291 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_82c19807-8d89-43d7-b64e-725ae2a7aec9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i[193157,193170] [2024-11-28 02:30:19,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:30:19,339 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:30:19,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19 WrapperNode [2024-11-28 02:30:19,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:30:19,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:30:19,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:30:19,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:30:19,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,474 INFO L138 Inliner]: procedures = 99, calls = 572, calls flagged for inlining = 31, calls inlined = 25, statements flattened = 2020 [2024-11-28 02:30:19,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:30:19,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:30:19,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:30:19,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:30:19,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,596 INFO L175 MemorySlicer]: Split 281 memory accesses to 11 slices as follows [2, 2, 69, 2, 29, 2, 18, 10, 2, 143, 2]. 51 percent of accesses are in the largest equivalence class. The 188 initializations are split as follows [2, 2, 8, 2, 0, 2, 16, 9, 2, 143, 2]. The 31 writes are split as follows [0, 0, 20, 0, 10, 0, 1, 0, 0, 0, 0]. [2024-11-28 02:30:19,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:30:19,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:30:19,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:30:19,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:30:19,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (1/1) ... [2024-11-28 02:30:19,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:30:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:30:19,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:30:19,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:30:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:30:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:30:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:30:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:30:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:30:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:30:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2024-11-28 02:30:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2024-11-28 02:30:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:30:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:30:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2024-11-28 02:30:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2024-11-28 02:30:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-28 02:30:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 02:30:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-28 02:30:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:30:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:30:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:30:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:30:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:30:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 02:30:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 02:30:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2024-11-28 02:30:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:30:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2024-11-28 02:30:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:30:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2024-11-28 02:30:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:30:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:30:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:30:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:30:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:30:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:30:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:30:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:30:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:30:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2024-11-28 02:30:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2024-11-28 02:30:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:30:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2024-11-28 02:30:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:30:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:30:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 02:30:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-28 02:30:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-28 02:30:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-28 02:30:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:30:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2024-11-28 02:30:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2024-11-28 02:30:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-28 02:30:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-28 02:30:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2024-11-28 02:30:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2024-11-28 02:30:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:30:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:30:20,404 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:30:20,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:30:20,490 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:30:22,953 INFO L? ?]: Removed 404 outVars from TransFormulas that were not future-live. [2024-11-28 02:30:22,953 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:30:22,982 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:30:22,983 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:30:22,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:30:22 BoogieIcfgContainer [2024-11-28 02:30:22,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:30:22,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:30:22,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:30:22,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:30:22,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:30:17" (1/3) ... [2024-11-28 02:30:22,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac7e549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:30:22, skipping insertion in model container [2024-11-28 02:30:22,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:30:19" (2/3) ... [2024-11-28 02:30:22,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ac7e549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:30:22, skipping insertion in model container [2024-11-28 02:30:22,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:30:22" (3/3) ... [2024-11-28 02:30:22,994 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2024-11-28 02:30:23,012 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:30:23,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i that has 23 procedures, 741 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:30:23,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:30:23,113 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;@bbec956, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:30:23,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:30:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand has 740 states, 579 states have (on average 1.4835924006908463) internal successors, (859), 592 states have internal predecessors, (859), 138 states have call successors, (138), 22 states have call predecessors, (138), 21 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-28 02:30:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:30:23,129 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:30:23,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:30:23,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:30:23,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:30:23,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1110968593, now seen corresponding path program 1 times [2024-11-28 02:30:23,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:30:23,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99588313] [2024-11-28 02:30:23,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:30:23,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:30:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:30:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:30:23,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:30:23,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99588313] [2024-11-28 02:30:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99588313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:30:23,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:30:23,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:30:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487788012] [2024-11-28 02:30:23,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:30:23,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:30:23,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:30:23,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:30:23,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:23,910 INFO L87 Difference]: Start difference. First operand has 740 states, 579 states have (on average 1.4835924006908463) internal successors, (859), 592 states have internal predecessors, (859), 138 states have call successors, (138), 22 states have call predecessors, (138), 21 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:30:24,204 INFO L93 Difference]: Finished difference Result 1541 states and 2363 transitions. [2024-11-28 02:30:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:30:24,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 02:30:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:30:24,228 INFO L225 Difference]: With dead ends: 1541 [2024-11-28 02:30:24,229 INFO L226 Difference]: Without dead ends: 790 [2024-11-28 02:30:24,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:24,241 INFO L435 NwaCegarLoop]: 1143 mSDtfsCounter, 1078 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:30:24,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 1256 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:30:24,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-28 02:30:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-28 02:30:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.4599358974358974) internal successors, (911), 631 states have internal predecessors, (911), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 02:30:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1186 transitions. [2024-11-28 02:30:24,441 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1186 transitions. Word has length 15 [2024-11-28 02:30:24,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:30:24,444 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1186 transitions. [2024-11-28 02:30:24,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1186 transitions. [2024-11-28 02:30:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 02:30:24,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:30:24,447 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:30:24,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:30:24,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:30:24,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:30:24,450 INFO L85 PathProgramCache]: Analyzing trace with hash 845395862, now seen corresponding path program 1 times [2024-11-28 02:30:24,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:30:24,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732885459] [2024-11-28 02:30:24,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:30:24,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:30:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:30:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:30:24,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:30:24,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732885459] [2024-11-28 02:30:24,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732885459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:30:24,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:30:24,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:30:24,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933356053] [2024-11-28 02:30:24,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:30:24,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:30:24,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:30:24,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:30:24,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:24,781 INFO L87 Difference]: Start difference. First operand 790 states and 1186 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:24,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:30:24,962 INFO L93 Difference]: Finished difference Result 1577 states and 2369 transitions. [2024-11-28 02:30:24,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:30:24,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-28 02:30:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:30:24,975 INFO L225 Difference]: With dead ends: 1577 [2024-11-28 02:30:24,977 INFO L226 Difference]: Without dead ends: 790 [2024-11-28 02:30:24,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:24,980 INFO L435 NwaCegarLoop]: 1106 mSDtfsCounter, 1099 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:30:24,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1099 Valid, 1106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:30:24,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-28 02:30:25,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-28 02:30:25,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.4567307692307692) internal successors, (909), 631 states have internal predecessors, (909), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 02:30:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1184 transitions. [2024-11-28 02:30:25,064 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1184 transitions. Word has length 25 [2024-11-28 02:30:25,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:30:25,064 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1184 transitions. [2024-11-28 02:30:25,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:25,064 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1184 transitions. [2024-11-28 02:30:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 02:30:25,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:30:25,066 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:30:25,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:30:25,066 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:30:25,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:30:25,067 INFO L85 PathProgramCache]: Analyzing trace with hash -434467816, now seen corresponding path program 1 times [2024-11-28 02:30:25,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:30:25,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267192596] [2024-11-28 02:30:25,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:30:25,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:30:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:30:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:30:25,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:30:25,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267192596] [2024-11-28 02:30:25,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267192596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:30:25,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:30:25,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:30:25,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781895851] [2024-11-28 02:30:25,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:30:25,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:30:25,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:30:25,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:30:25,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:25,256 INFO L87 Difference]: Start difference. First operand 790 states and 1184 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:25,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:30:25,359 INFO L93 Difference]: Finished difference Result 1577 states and 2365 transitions. [2024-11-28 02:30:25,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:30:25,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-28 02:30:25,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:30:25,367 INFO L225 Difference]: With dead ends: 1577 [2024-11-28 02:30:25,367 INFO L226 Difference]: Without dead ends: 790 [2024-11-28 02:30:25,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:25,370 INFO L435 NwaCegarLoop]: 1107 mSDtfsCounter, 1093 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:30:25,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:30:25,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-28 02:30:25,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2024-11-28 02:30:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.455128205128205) internal successors, (908), 631 states have internal predecessors, (908), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 02:30:25,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1183 transitions. [2024-11-28 02:30:25,447 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1183 transitions. Word has length 25 [2024-11-28 02:30:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:30:25,448 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1183 transitions. [2024-11-28 02:30:25,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1183 transitions. [2024-11-28 02:30:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 02:30:25,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:30:25,453 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:30:25,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:30:25,453 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:30:25,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:30:25,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1367724808, now seen corresponding path program 1 times [2024-11-28 02:30:25,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:30:25,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251179868] [2024-11-28 02:30:25,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:30:25,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:30:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:30:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:30:25,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:30:25,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251179868] [2024-11-28 02:30:25,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251179868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:30:25,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:30:25,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:30:25,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483507790] [2024-11-28 02:30:25,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:30:25,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:30:25,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:30:25,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:30:25,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:25,647 INFO L87 Difference]: Start difference. First operand 790 states and 1183 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:30:25,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:30:25,742 INFO L93 Difference]: Finished difference Result 800 states and 1191 transitions. [2024-11-28 02:30:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:30:25,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2024-11-28 02:30:25,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:30:25,748 INFO L225 Difference]: With dead ends: 800 [2024-11-28 02:30:25,749 INFO L226 Difference]: Without dead ends: 795 [2024-11-28 02:30:25,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:25,750 INFO L435 NwaCegarLoop]: 1111 mSDtfsCounter, 1103 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:30:25,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 1115 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:30:25,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-28 02:30:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 790. [2024-11-28 02:30:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 624 states have (on average 1.453525641025641) internal successors, (907), 631 states have internal predecessors, (907), 138 states have call successors, (138), 28 states have call predecessors, (138), 27 states have return successors, (137), 137 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-28 02:30:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1182 transitions. [2024-11-28 02:30:25,828 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1182 transitions. Word has length 41 [2024-11-28 02:30:25,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:30:25,829 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1182 transitions. [2024-11-28 02:30:25,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 02:30:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1182 transitions. [2024-11-28 02:30:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-28 02:30:25,831 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:30:25,831 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:30:25,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:30:25,831 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:30:25,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:30:25,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1424983110, now seen corresponding path program 1 times [2024-11-28 02:30:25,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:30:25,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616209211] [2024-11-28 02:30:25,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:30:25,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:30:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:30:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:30:26,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:30:26,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616209211] [2024-11-28 02:30:26,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616209211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:30:26,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:30:26,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:30:26,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529939291] [2024-11-28 02:30:26,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:30:26,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:30:26,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:30:26,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:30:26,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:26,032 INFO L87 Difference]: Start difference. First operand 790 states and 1182 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:30:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:30:26,124 INFO L93 Difference]: Finished difference Result 790 states and 1182 transitions. [2024-11-28 02:30:26,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:30:26,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-28 02:30:26,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:30:26,127 INFO L225 Difference]: With dead ends: 790 [2024-11-28 02:30:26,127 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:30:26,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:30:26,131 INFO L435 NwaCegarLoop]: 1105 mSDtfsCounter, 1080 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:30:26,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:30:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:30:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:30:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:30:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:30:26,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-11-28 02:30:26,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:30:26,137 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:30:26,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 02:30:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:30:26,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:30:26,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:30:26,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:30:26,146 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 02:30:26,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:30:29,872 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:30:29,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:30:29 BoogieIcfgContainer [2024-11-28 02:30:29,900 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:30:29,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:30:29,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:30:29,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:30:29,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:30:22" (3/4) ... [2024-11-28 02:30:29,909 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:30:29,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure check_mirror [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iounmap [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2024-11-28 02:30:29,917 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 02:30:29,918 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure writeb [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioremap [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_irq_1 [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_suitable_irq_1 [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-28 02:30:29,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 02:30:29,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure readb [2024-11-28 02:30:29,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2024-11-28 02:30:29,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2024-11-28 02:30:29,971 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2024-11-28 02:30:29,974 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2024-11-28 02:30:29,977 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-28 02:30:29,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 02:30:29,983 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 02:30:29,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:30:29,989 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 02:30:29,992 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:30:30,280 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:30:30,281 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:30:30,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:30:30,285 INFO L158 Benchmark]: Toolchain (without parser) took 12913.79ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 82.8MB in the beginning and 108.0MB in the end (delta: -25.2MB). Peak memory consumption was 148.7MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,285 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:30:30,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1970.18ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 60.1MB in the end (delta: 22.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.30ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 49.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,290 INFO L158 Benchmark]: Boogie Preprocessor took 291.75ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 31.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,290 INFO L158 Benchmark]: RCFGBuilder took 3215.59ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 31.7MB in the beginning and 94.7MB in the end (delta: -63.0MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,290 INFO L158 Benchmark]: TraceAbstraction took 6914.10ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 94.7MB in the beginning and 33.5MB in the end (delta: 61.2MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,291 INFO L158 Benchmark]: Witness Printer took 381.10ms. Allocated memory is still 201.3MB. Free memory was 33.5MB in the beginning and 108.0MB in the end (delta: -74.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:30:30,293 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1970.18ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 60.1MB in the end (delta: 22.8MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.30ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 49.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 291.75ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 31.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3215.59ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 31.7MB in the beginning and 94.7MB in the end (delta: -63.0MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6914.10ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 94.7MB in the beginning and 33.5MB in the end (delta: 61.2MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * Witness Printer took 381.10ms. Allocated memory is still 201.3MB. Free memory was 33.5MB in the beginning and 108.0MB in the end (delta: -74.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5420]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5420] - GenericResultAtLocation [Line: 5427]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5427] - GenericResultAtLocation [Line: 5458]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5458] - GenericResultAtLocation [Line: 5466]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5466] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6836]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 741 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5453 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5453 mSDsluCounter, 5689 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5572 mSDtfsCounter, 21 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6383]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5704]: Loop Invariant Derived loop invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 6339]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 6372]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) - InvariantResult [Line: 5700]: Location Invariant Derived location invariant: (((((ldv_module_refcounter == 1) && (com90xx_skip_probe == 0)) && (ldv_state_variable_0 == 1)) && (irq == 0)) && (ldv_retval_0 == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-28 02:30:30,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c19807-8d89-43d7-b64e-725ae2a7aec9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE