/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/Termination.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:31:40,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:31:40,178 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:31:40,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:31:40,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:31:40,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:31:40,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:31:40,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:31:40,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:31:40,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:31:40,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:31:40,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:31:40,203 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:31:40,203 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:31:40,203 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:31:40,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:31:40,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:31:40,206 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:31:40,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:31:40,206 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:31:40,206 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:31:40,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:31:40,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:31:40,207 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:31:40,207 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:31:40,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:31:40,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:31:40,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:31:40,439 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-26 16:31:40,439 INFO L274 PluginConnector]: CDTParser initialized [2025-04-26 16:31:40,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2025-04-26 16:31:41,729 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f81734790/3f36cc416184461882b9672682dc8ac7/FLAGf9021d706 [2025-04-26 16:31:42,209 INFO L389 CDTParser]: Found 1 translation units. [2025-04-26 16:31:42,209 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2025-04-26 16:31:42,250 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f81734790/3f36cc416184461882b9672682dc8ac7/FLAGf9021d706 [2025-04-26 16:31:43,780 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f81734790/3f36cc416184461882b9672682dc8ac7 [2025-04-26 16:31:43,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:31:43,784 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-26 16:31:43,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-26 16:31:43,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-26 16:31:43,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-26 16:31:43,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 04:31:43" (1/1) ... [2025-04-26 16:31:43,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223e3726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:43, skipping insertion in model container [2025-04-26 16:31:43,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 04:31:43" (1/1) ... [2025-04-26 16:31:43,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-26 16:31:45,106 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2025-04-26 16:31:45,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 16:31:45,300 INFO L200 MainTranslator]: Completed pre-run [2025-04-26 16:31:45,389 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"); [5646] [2025-04-26 16:31:45,390 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5653] [2025-04-26 16:31:45,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5660] [2025-04-26 16:31:45,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/alpha/git/klever2/klever/native-scheduler-work-dir/scheduler/jobs/d5cd53f56669d61faa91054857893dbd/klever-core-work-dir/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5694-5695] [2025-04-26 16:31:45,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5700-5702] [2025-04-26 16:31:45,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5759] [2025-04-26 16:31:45,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5767] [2025-04-26 16:31:45,532 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i[236326,236339] [2025-04-26 16:31:45,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 16:31:45,609 INFO L204 MainTranslator]: Completed translation [2025-04-26 16:31:45,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45 WrapperNode [2025-04-26 16:31:45,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-26 16:31:45,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:31:45,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:31:45,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:31:45,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:45,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:45,837 INFO L138 Inliner]: procedures = 328, calls = 1288, calls flagged for inlining = 514, calls inlined = 855, statements flattened = 7554 [2025-04-26 16:31:45,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:31:45,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:31:45,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:31:45,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:31:45,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:45,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:45,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:45,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:45,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:46,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:46,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:46,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:46,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:46,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:31:46,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:31:46,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:31:46,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:31:46,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (1/1) ... [2025-04-26 16:31:46,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:31:46,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:31:46,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 16:31:46,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 16:31:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-04-26 16:31:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_random_allocationless_scenario_3 [2025-04-26 16:31:46,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_random_allocationless_scenario_3 [2025-04-26 16:31:46,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2025-04-26 16:31:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2025-04-26 16:31:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-26 16:31:46,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:31:46,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:31:46,171 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:31:46,639 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:31:46,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:31:51,475 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:31:51,476 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:31:51,589 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:31:51,590 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:31:51,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:31:51 BoogieIcfgContainer [2025-04-26 16:31:51,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:31:51,591 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:31:51,591 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:31:51,595 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:31:51,595 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:31:51,595 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.04 04:31:43" (1/3) ... [2025-04-26 16:31:51,596 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7af6b558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:31:51, skipping insertion in model container [2025-04-26 16:31:51,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:31:51,596 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:45" (2/3) ... [2025-04-26 16:31:51,596 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7af6b558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:31:51, skipping insertion in model container [2025-04-26 16:31:51,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:31:51,596 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:31:51" (3/3) ... [2025-04-26 16:31:51,597 INFO L376 chiAutomizerObserver]: Analyzing ICFG linux-3.14--drivers--net--irda--w83977af_ir.ko.cil.i [2025-04-26 16:31:52,836 INFO L143 ThreadInstanceAdder]: Constructed 13 joinOtherThreadTransitions. [2025-04-26 16:31:52,876 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:31:52,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:31:52,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:31:52,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 16:31:52,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 16:31:53,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 12548 places, 13074 transitions, 26207 flow [2025-04-26 16:33:09,213 INFO L116 PetriNetUnfolderBase]: 1008/24680 cut-off events. [2025-04-26 16:33:09,215 INFO L117 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-04-26 16:33:13,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24710 conditions, 24680 events. 1008/24680 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 177317 event pairs, 1 based on Foata normal form. 0/23661 useless extension candidates. Maximal degree in co-relation 24090. Up to 18 conditions per place. [2025-04-26 16:33:13,898 INFO L82 GeneralOperation]: Start removeDead. Operand has 12548 places, 13074 transitions, 26207 flow [2025-04-26 16:33:23,962 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 9354 places, 9747 transitions, 19526 flow [2025-04-26 16:33:23,962 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 9354 places, 9747 transitions, 19526 flow [2025-04-26 16:33:23,974 INFO L135 AmpleReduction]: Starting ample reduction