./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--hid--hid-axff.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 19:15:21,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 19:15:21,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 19:15:21,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 19:15:21,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 19:15:21,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 19:15:21,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 19:15:21,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 19:15:21,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 19:15:21,492 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 19:15:21,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 19:15:21,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 19:15:21,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 19:15:21,493 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 19:15:21,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:15:21,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 19:15:21,494 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23b299466df567728bd01cdd7606fd8853010375cabd6f3e05e43d9cfc96a45f [2025-03-08 19:15:21,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 19:15:21,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 19:15:21,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 19:15:21,753 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 19:15:21,754 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 19:15:21,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2025-03-08 19:15:22,902 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aadb0076/4b89c354a8a34408aee1c5feb836d9b4/FLAG18083225b [2025-03-08 19:15:23,259 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 19:15:23,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2025-03-08 19:15:23,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aadb0076/4b89c354a8a34408aee1c5feb836d9b4/FLAG18083225b [2025-03-08 19:15:23,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aadb0076/4b89c354a8a34408aee1c5feb836d9b4 [2025-03-08 19:15:23,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 19:15:23,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 19:15:23,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 19:15:23,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 19:15:23,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 19:15:23,480 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:15:23" (1/1) ... [2025-03-08 19:15:23,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5403b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:23, skipping insertion in model container [2025-03-08 19:15:23,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 07:15:23" (1/1) ... [2025-03-08 19:15:23,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 19:15:23,755 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2025-03-08 19:15:23,755 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2025-03-08 19:15:23,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2025-03-08 19:15:23,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:15:23,940 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 19:15:23,994 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2025-03-08 19:15:23,994 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2396-2397] [2025-03-08 19:15:23,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] [2025-03-08 19:15:24,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i[74571,74584] [2025-03-08 19:15:24,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 19:15:24,064 INFO L204 MainTranslator]: Completed translation [2025-03-08 19:15:24,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24 WrapperNode [2025-03-08 19:15:24,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 19:15:24,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 19:15:24,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 19:15:24,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 19:15:24,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,119 INFO L138 Inliner]: procedures = 77, calls = 201, calls flagged for inlining = 33, calls inlined = 29, statements flattened = 592 [2025-03-08 19:15:24,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 19:15:24,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 19:15:24,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 19:15:24,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 19:15:24,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,136 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,179 INFO L175 MemorySlicer]: Split 98 memory accesses to 9 slices as follows [2, 11, 1, 46, 2, 17, 10, 7, 2]. 47 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 0, 0, 0, 6, 0, 0, 0]. The 66 writes are split as follows [0, 1, 1, 46, 1, 11, 0, 6, 0]. [2025-03-08 19:15:24,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,204 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 19:15:24,227 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 19:15:24,227 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 19:15:24,228 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 19:15:24,228 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (1/1) ... [2025-03-08 19:15:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 19:15:24,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 19:15:24,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 19:15:24,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 19:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 19:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2025-03-08 19:15:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2025-03-08 19:15:24,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 19:15:24,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 19:15:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 19:15:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 19:15:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 19:15:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 19:15:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 19:15:24,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 19:15:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 19:15:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 19:15:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 19:15:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 19:15:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 19:15:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-08 19:15:24,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 19:15:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-08 19:15:24,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-08 19:15:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 19:15:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 19:15:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 19:15:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2025-03-08 19:15:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2025-03-08 19:15:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2025-03-08 19:15:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2025-03-08 19:15:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-08 19:15:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-08 19:15:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 19:15:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-08 19:15:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-08 19:15:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 19:15:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 19:15:24,463 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 19:15:24,468 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 19:15:24,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-08 19:15:24,554 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3085: havoc #t~nondet128; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2810: call ULTIMATE.dealloc(ax_probe_~#descriptor~0#1.base, ax_probe_~#descriptor~0#1.offset);havoc ax_probe_~#descriptor~0#1.base, ax_probe_~#descriptor~0#1.offset; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3100: havoc hid_open_report_#t~nondet131#1; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3093: havoc hid_connect_#t~nondet130#1; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3070: havoc __dynamic_dev_dbg_#t~nondet125#1; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3089: havoc dev_warn_#t~nondet129#1; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3081: havoc _dev_info_#t~nondet127#1; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2487: havoc list_empty_#t~mem5#1.base, list_empty_#t~mem5#1.offset; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3074: havoc __hid_register_driver_#t~nondet126#1; [2025-03-08 19:15:28,967 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3107: havoc input_ff_create_memless_#t~nondet132#1; [2025-03-08 19:15:29,007 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2025-03-08 19:15:29,007 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 19:15:29,023 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 19:15:29,023 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 19:15:29,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:29 BoogieIcfgContainer [2025-03-08 19:15:29,023 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 19:15:29,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 19:15:29,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 19:15:29,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 19:15:29,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 07:15:23" (1/3) ... [2025-03-08 19:15:29,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33609ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:15:29, skipping insertion in model container [2025-03-08 19:15:29,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 07:15:24" (2/3) ... [2025-03-08 19:15:29,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33609ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 07:15:29, skipping insertion in model container [2025-03-08 19:15:29,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:29" (3/3) ... [2025-03-08 19:15:29,033 INFO L128 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2025-03-08 19:15:29,043 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 19:15:29,045 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i that has 12 procedures, 158 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 19:15:29,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 19:15:29,099 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;@7e903e9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 19:15:29,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 19:15:29,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 127 states have internal predecessors, (162), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-08 19:15:29,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-08 19:15:29,109 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:29,110 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] [2025-03-08 19:15:29,110 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:29,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:29,116 INFO L85 PathProgramCache]: Analyzing trace with hash -297011408, now seen corresponding path program 1 times [2025-03-08 19:15:29,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:29,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85276009] [2025-03-08 19:15:29,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:29,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:29,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-08 19:15:29,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-08 19:15:29,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:29,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:29,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 19:15:29,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:29,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85276009] [2025-03-08 19:15:29,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85276009] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:29,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:29,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:29,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336522286] [2025-03-08 19:15:29,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:29,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:29,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:29,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:29,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:29,718 INFO L87 Difference]: Start difference. First operand has 157 states, 122 states have (on average 1.3278688524590163) internal successors, (162), 127 states have internal predecessors, (162), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (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) [2025-03-08 19:15:29,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:29,803 INFO L93 Difference]: Finished difference Result 319 states and 423 transitions. [2025-03-08 19:15:29,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:29,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (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 38 [2025-03-08 19:15:29,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:29,814 INFO L225 Difference]: With dead ends: 319 [2025-03-08 19:15:29,814 INFO L226 Difference]: Without dead ends: 144 [2025-03-08 19:15:29,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:29,818 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 49 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:29,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 349 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 19:15:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-03-08 19:15:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2025-03-08 19:15:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 124 states have (on average 1.3064516129032258) internal successors, (162), 124 states have internal predecessors, (162), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 19:15:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2025-03-08 19:15:29,861 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 38 [2025-03-08 19:15:29,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:29,861 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2025-03-08 19:15:29,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (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) [2025-03-08 19:15:29,862 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2025-03-08 19:15:29,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-08 19:15:29,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:29,864 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:29,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 19:15:29,864 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:29,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash -844522337, now seen corresponding path program 1 times [2025-03-08 19:15:29,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:29,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056679413] [2025-03-08 19:15:29,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:29,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:30,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-08 19:15:30,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-08 19:15:30,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:30,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-08 19:15:30,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:30,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056679413] [2025-03-08 19:15:30,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056679413] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:30,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:30,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 19:15:30,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649918145] [2025-03-08 19:15:30,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:30,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 19:15:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:30,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 19:15:30,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:30,227 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 19:15:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:30,248 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2025-03-08 19:15:30,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 19:15:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 56 [2025-03-08 19:15:30,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:30,252 INFO L225 Difference]: With dead ends: 148 [2025-03-08 19:15:30,252 INFO L226 Difference]: Without dead ends: 145 [2025-03-08 19:15:30,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 19:15:30,252 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:30,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:15:30,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-03-08 19:15:30,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-03-08 19:15:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 125 states have (on average 1.304) internal successors, (163), 125 states have internal predecessors, (163), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-08 19:15:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 186 transitions. [2025-03-08 19:15:30,268 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 186 transitions. Word has length 56 [2025-03-08 19:15:30,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:30,269 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 186 transitions. [2025-03-08 19:15:30,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 19:15:30,269 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 186 transitions. [2025-03-08 19:15:30,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-08 19:15:30,270 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 19:15:30,270 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 19:15:30,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 19:15:30,271 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 19:15:30,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 19:15:30,271 INFO L85 PathProgramCache]: Analyzing trace with hash 189420927, now seen corresponding path program 1 times [2025-03-08 19:15:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 19:15:30,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661680373] [2025-03-08 19:15:30,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 19:15:30,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 19:15:30,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-08 19:15:30,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-08 19:15:30,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 19:15:30,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 19:15:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-08 19:15:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 19:15:30,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661680373] [2025-03-08 19:15:30,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661680373] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 19:15:30,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 19:15:30,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 19:15:30,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966394587] [2025-03-08 19:15:30,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 19:15:30,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 19:15:30,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 19:15:30,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 19:15:30,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 19:15:30,757 INFO L87 Difference]: Start difference. First operand 145 states and 186 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 19:15:30,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 19:15:30,790 INFO L93 Difference]: Finished difference Result 266 states and 345 transitions. [2025-03-08 19:15:30,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 19:15:30,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2025-03-08 19:15:30,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 19:15:30,794 INFO L225 Difference]: With dead ends: 266 [2025-03-08 19:15:30,794 INFO L226 Difference]: Without dead ends: 0 [2025-03-08 19:15:30,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 19:15:30,795 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 102 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 19:15:30,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 273 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 19:15:30,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-08 19:15:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-08 19:15:30,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 19:15:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-08 19:15:30,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2025-03-08 19:15:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 19:15:30,796 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-08 19:15:30,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 19:15:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-08 19:15:30,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-08 19:15:30,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 19:15:30,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 19:15:30,803 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-08 19:15:30,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-08 19:15:30,930 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 19:15:30,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 07:15:30 BoogieIcfgContainer [2025-03-08 19:15:30,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 19:15:30,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 19:15:30,941 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 19:15:30,941 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 19:15:30,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 07:15:29" (3/4) ... [2025-03-08 19:15:30,943 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ax_remove [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-08 19:15:30,947 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2025-03-08 19:15:30,948 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2025-03-08 19:15:30,948 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-08 19:15:30,961 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2025-03-08 19:15:30,963 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2025-03-08 19:15:30,964 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-08 19:15:30,965 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-08 19:15:30,965 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:15:30,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 19:15:31,078 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 19:15:31,078 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 19:15:31,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 19:15:31,080 INFO L158 Benchmark]: Toolchain (without parser) took 7604.16ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 118.1MB in the beginning and 111.9MB in the end (delta: 6.2MB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2025-03-08 19:15:31,082 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:15:31,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.63ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 64.4MB in the end (delta: 53.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-08 19:15:31,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.76ms. Allocated memory is still 167.8MB. Free memory was 64.4MB in the beginning and 60.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 19:15:31,083 INFO L158 Benchmark]: Boogie Preprocessor took 104.53ms. Allocated memory is still 167.8MB. Free memory was 60.3MB in the beginning and 53.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 19:15:31,083 INFO L158 Benchmark]: IcfgBuilder took 4796.00ms. Allocated memory is still 167.8MB. Free memory was 53.4MB in the beginning and 73.0MB in the end (delta: -19.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2025-03-08 19:15:31,083 INFO L158 Benchmark]: TraceAbstraction took 1913.70ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 72.2MB in the beginning and 125.7MB in the end (delta: -53.5MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2025-03-08 19:15:31,084 INFO L158 Benchmark]: Witness Printer took 139.53ms. Allocated memory is still 260.0MB. Free memory was 125.7MB in the beginning and 111.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 19:15:31,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.63ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 64.4MB in the end (delta: 53.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.76ms. Allocated memory is still 167.8MB. Free memory was 64.4MB in the beginning and 60.3MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 104.53ms. Allocated memory is still 167.8MB. Free memory was 60.3MB in the beginning and 53.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 4796.00ms. Allocated memory is still 167.8MB. Free memory was 53.4MB in the beginning and 73.0MB in the end (delta: -19.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1913.70ms. Allocated memory was 167.8MB in the beginning and 260.0MB in the end (delta: 92.3MB). Free memory was 72.2MB in the beginning and 125.7MB in the end (delta: -53.5MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 139.53ms. Allocated memory is still 260.0MB. Free memory was 125.7MB in the beginning and 111.9MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 2477]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [2477] * 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: 2556]: 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 12 procedures, 158 locations, 231 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 912 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 446 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 466 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 235 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 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 RESULT: Ultimate proved your program to be correct! [2025-03-08 19:15:31,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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