./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 798a7b37 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-?-798a7b3-m [2025-03-04 04:03:51,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 04:03:51,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 04:03:51,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 04:03:51,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 04:03:51,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 04:03:51,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 04:03:51,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 04:03:51,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 04:03:51,634 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 04:03:51,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 04:03:51,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 04:03:51,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 04:03:51,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 04:03:51,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 04:03:51,636 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:03:51,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 04:03:51,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 04:03:51,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 04:03:51,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 04:03:51,637 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 04:03:51,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 04:03:51,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 04:03:51,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 04:03:51,637 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 [2025-03-04 04:03:51,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 04:03:51,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 04:03:51,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 04:03:51,869 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 04:03:51,869 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 04:03:51,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2025-03-04 04:03:53,031 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d452ac88/b7df20c924824d399d9db0838931ac5c/FLAG52cd894d3 [2025-03-04 04:03:53,396 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 04:03:53,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point.cil.out.i [2025-03-04 04:03:53,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d452ac88/b7df20c924824d399d9db0838931ac5c/FLAG52cd894d3 [2025-03-04 04:03:53,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d452ac88/b7df20c924824d399d9db0838931ac5c [2025-03-04 04:03:53,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 04:03:53,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 04:03:53,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 04:03:53,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 04:03:53,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 04:03:53,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:03:53" (1/1) ... [2025-03-04 04:03:53,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4860a3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:53, skipping insertion in model container [2025-03-04 04:03:53,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:03:53" (1/1) ... [2025-03-04 04:03:53,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 04:03:53,920 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2025-03-04 04:03:53,921 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] [2025-03-04 04:03:53,978 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] [2025-03-04 04:03:54,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:03:54,132 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 04:03:54,189 WARN L1383 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2395] [2025-03-04 04:03:54,190 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] [2025-03-04 04:03:54,192 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] [2025-03-04 04:03:54,201 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] [2025-03-04 04:03:54,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 04:03:54,259 INFO L204 MainTranslator]: Completed translation [2025-03-04 04:03:54,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54 WrapperNode [2025-03-04 04:03:54,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 04:03:54,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 04:03:54,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 04:03:54,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 04:03:54,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,309 INFO L138 Inliner]: procedures = 77, calls = 201, calls flagged for inlining = 33, calls inlined = 29, statements flattened = 592 [2025-03-04 04:03:54,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 04:03:54,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 04:03:54,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 04:03:54,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 04:03:54,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,326 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,358 INFO L175 MemorySlicer]: Split 98 memory accesses to 9 slices as follows [2, 2, 1, 10, 17, 46, 7, 11, 2]. 47 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [0, 2, 0, 0, 6, 0, 0, 0, 0]. The 66 writes are split as follows [1, 0, 1, 0, 11, 46, 6, 1, 0]. [2025-03-04 04:03:54,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 04:03:54,400 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 04:03:54,400 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 04:03:54,400 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 04:03:54,403 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (1/1) ... [2025-03-04 04:03:54,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 04:03:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 04:03:54,431 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) [2025-03-04 04:03:54,435 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 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2025-03-04 04:03:54,455 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 04:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 04:03:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2025-03-04 04:03:54,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 04:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 04:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 04:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 04:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 04:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 04:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2025-03-04 04:03:54,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 04:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 04:03:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 04:03:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 04:03:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 04:03:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 04:03:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 04:03:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2025-03-04 04:03:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2025-03-04 04:03:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 04:03:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 04:03:54,653 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 04:03:54,654 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 04:03:54,698 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2025-03-04 04:03:54,738 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3085: havoc #t~nondet128; [2025-03-04 04:03:59,113 INFO L1325 $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; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3100: havoc hid_open_report_#t~nondet131#1; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3093: havoc hid_connect_#t~nondet130#1; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3070: havoc __dynamic_dev_dbg_#t~nondet125#1; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3089: havoc dev_warn_#t~nondet129#1; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3081: havoc _dev_info_#t~nondet127#1; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2487: havoc list_empty_#t~mem5#1.base, list_empty_#t~mem5#1.offset; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3074: havoc __hid_register_driver_#t~nondet126#1; [2025-03-04 04:03:59,113 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3107: havoc input_ff_create_memless_#t~nondet132#1; [2025-03-04 04:03:59,155 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2025-03-04 04:03:59,155 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 04:03:59,166 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 04:03:59,167 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 04:03:59,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:03:59 BoogieIcfgContainer [2025-03-04 04:03:59,167 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 04:03:59,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 04:03:59,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 04:03:59,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 04:03:59,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:03:53" (1/3) ... [2025-03-04 04:03:59,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fab584b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:03:59, skipping insertion in model container [2025-03-04 04:03:59,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:03:54" (2/3) ... [2025-03-04 04:03:59,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fab584b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:03:59, skipping insertion in model container [2025-03-04 04:03:59,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:03:59" (3/3) ... [2025-03-04 04:03:59,174 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 [2025-03-04 04:03:59,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 04:03:59,185 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. [2025-03-04 04:03:59,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 04:03:59,233 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;@48691e44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 04:03:59,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 04:03:59,236 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) [2025-03-04 04:03:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-04 04:03:59,241 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:03:59,242 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] [2025-03-04 04:03:59,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:03:59,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:03:59,246 INFO L85 PathProgramCache]: Analyzing trace with hash -297011408, now seen corresponding path program 1 times [2025-03-04 04:03:59,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:03:59,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375869561] [2025-03-04 04:03:59,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:03:59,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:03:59,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-04 04:03:59,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-04 04:03:59,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:03:59,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:03:59,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 04:03:59,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:03:59,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375869561] [2025-03-04 04:03:59,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375869561] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:03:59,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:03:59,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:03:59,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133403188] [2025-03-04 04:03:59,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:03:59,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:03:59,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:03:59,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:03:59,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:03:59,889 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) [2025-03-04 04:03:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:03:59,972 INFO L93 Difference]: Finished difference Result 319 states and 423 transitions. [2025-03-04 04:03:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:03:59,975 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 [2025-03-04 04:03:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:03:59,980 INFO L225 Difference]: With dead ends: 319 [2025-03-04 04:03:59,981 INFO L226 Difference]: Without dead ends: 144 [2025-03-04 04:03:59,983 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 [2025-03-04 04:03:59,984 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 [2025-03-04 04:03:59,985 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] [2025-03-04 04:03:59,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-03-04 04:04:00,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2025-03-04 04:04:00,010 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) [2025-03-04 04:04:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2025-03-04 04:04:00,019 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 38 [2025-03-04 04:04:00,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:04:00,019 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2025-03-04 04:04:00,019 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) [2025-03-04 04:04:00,020 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2025-03-04 04:04:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-04 04:04:00,023 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:04:00,023 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] [2025-03-04 04:04:00,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 04:04:00,023 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:04:00,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:04:00,024 INFO L85 PathProgramCache]: Analyzing trace with hash -844522337, now seen corresponding path program 1 times [2025-03-04 04:04:00,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:04:00,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007103935] [2025-03-04 04:04:00,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:04:00,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:04:00,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-04 04:04:00,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-04 04:04:00,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:04:00,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:04:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 04:04:00,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:04:00,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007103935] [2025-03-04 04:04:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007103935] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:04:00,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:04:00,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 04:04:00,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135375357] [2025-03-04 04:04:00,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:04:00,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 04:04:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:04:00,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 04:04:00,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 04:04:00,418 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) [2025-03-04 04:04:00,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:04:00,444 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2025-03-04 04:04:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 04:04:00,446 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 [2025-03-04 04:04:00,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:04:00,448 INFO L225 Difference]: With dead ends: 148 [2025-03-04 04:04:00,448 INFO L226 Difference]: Without dead ends: 145 [2025-03-04 04:04:00,448 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 [2025-03-04 04:04:00,448 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 [2025-03-04 04:04:00,449 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] [2025-03-04 04:04:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-03-04 04:04:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-03-04 04:04:00,457 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) [2025-03-04 04:04:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 186 transitions. [2025-03-04 04:04:00,458 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 186 transitions. Word has length 56 [2025-03-04 04:04:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:04:00,459 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 186 transitions. [2025-03-04 04:04:00,459 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) [2025-03-04 04:04:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 186 transitions. [2025-03-04 04:04:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-04 04:04:00,460 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 04:04:00,460 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] [2025-03-04 04:04:00,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 04:04:00,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 04:04:00,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 04:04:00,461 INFO L85 PathProgramCache]: Analyzing trace with hash 189420927, now seen corresponding path program 1 times [2025-03-04 04:04:00,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 04:04:00,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420157982] [2025-03-04 04:04:00,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 04:04:00,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 04:04:00,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-04 04:04:00,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-04 04:04:00,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 04:04:00,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 04:04:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-04 04:04:00,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 04:04:00,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420157982] [2025-03-04 04:04:00,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420157982] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 04:04:00,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 04:04:00,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 04:04:00,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657791118] [2025-03-04 04:04:00,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 04:04:00,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 04:04:00,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 04:04:00,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 04:04:00,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-04 04:04:00,882 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) [2025-03-04 04:04:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 04:04:00,923 INFO L93 Difference]: Finished difference Result 266 states and 345 transitions. [2025-03-04 04:04:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 04:04:00,924 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 [2025-03-04 04:04:00,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 04:04:00,924 INFO L225 Difference]: With dead ends: 266 [2025-03-04 04:04:00,925 INFO L226 Difference]: Without dead ends: 0 [2025-03-04 04:04:00,926 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 [2025-03-04 04:04:00,928 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 [2025-03-04 04:04:00,928 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] [2025-03-04 04:04:00,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-04 04:04:00,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-04 04:04:00,930 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) [2025-03-04 04:04:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-04 04:04:00,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2025-03-04 04:04:00,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 04:04:00,930 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-04 04:04:00,931 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) [2025-03-04 04:04:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-04 04:04:00,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-04 04:04:00,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 04:04:00,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 04:04:00,935 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 04:04:00,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-04 04:04:01,072 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 04:04:01,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:04:01 BoogieIcfgContainer [2025-03-04 04:04:01,076 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 04:04:01,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 04:04:01,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 04:04:01,078 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 04:04:01,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 04:03:59" (3/4) ... [2025-03-04 04:04:01,083 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-04 04:04:01,088 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_error [2025-03-04 04:04:01,088 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2025-03-04 04:04:01,088 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2025-03-04 04:04:01,088 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2025-03-04 04:04:01,090 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2025-03-04 04:04:01,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2025-03-04 04:04:01,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ax_remove [2025-03-04 04:04:01,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-04 04:04:01,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2025-03-04 04:04:01,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2025-03-04 04:04:01,091 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dev_err [2025-03-04 04:04:01,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2025-03-04 04:04:01,109 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2025-03-04 04:04:01,110 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-03-04 04:04:01,111 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-04 04:04:01,112 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 04:04:01,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-04 04:04:01,229 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-04 04:04:01,230 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-04 04:04:01,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 04:04:01,231 INFO L158 Benchmark]: Toolchain (without parser) took 7614.30ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 129.3MB in the beginning and 62.8MB in the end (delta: 66.5MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2025-03-04 04:04:01,233 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:04:01,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.71ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 76.2MB in the end (delta: 53.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-04 04:04:01,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.08ms. Allocated memory is still 167.8MB. Free memory was 76.2MB in the beginning and 72.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 04:04:01,234 INFO L158 Benchmark]: Boogie Preprocessor took 88.99ms. Allocated memory is still 167.8MB. Free memory was 72.1MB in the beginning and 64.9MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 04:04:01,234 INFO L158 Benchmark]: IcfgBuilder took 4767.59ms. Allocated memory is still 167.8MB. Free memory was 64.9MB in the beginning and 85.1MB in the end (delta: -20.1MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2025-03-04 04:04:01,234 INFO L158 Benchmark]: TraceAbstraction took 1907.75ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 84.2MB in the beginning and 77.0MB in the end (delta: 7.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2025-03-04 04:04:01,235 INFO L158 Benchmark]: Witness Printer took 151.93ms. Allocated memory is still 209.7MB. Free memory was 77.0MB in the beginning and 62.8MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 04:04:01,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.71ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 76.2MB in the end (delta: 53.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.08ms. Allocated memory is still 167.8MB. Free memory was 76.2MB in the beginning and 72.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.99ms. Allocated memory is still 167.8MB. Free memory was 72.1MB in the beginning and 64.9MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 4767.59ms. Allocated memory is still 167.8MB. Free memory was 64.9MB in the beginning and 85.1MB in the end (delta: -20.1MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1907.75ms. Allocated memory was 167.8MB in the beginning and 209.7MB in the end (delta: 41.9MB). Free memory was 84.2MB in the beginning and 77.0MB in the end (delta: 7.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 151.93ms. Allocated memory is still 209.7MB. Free memory was 77.0MB in the beginning and 62.8MB in the end (delta: 14.2MB). 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, 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! [2025-03-04 04:04:01,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE