/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--spi--spi-tegra20-slink.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:31:43,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:31:43,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:31:43,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:31:43,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:31:43,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:31:43,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:31:43,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:31:43,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:31:43,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:31:43,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:31:43,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:31:43,395 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:31:43,395 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:31:43,395 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:31:43,395 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:31:43,395 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:31:43,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:31:43,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:31:43,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:31:43,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:31:43,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:31:43,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:31:43,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:31:43,397 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:31:43,397 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:31:43,397 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:31:43,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:31:43,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:31:43,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:31:43,587 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-26 16:31:43,587 INFO L274 PluginConnector]: CDTParser initialized [2025-04-26 16:31:43,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2025-04-26 16:31:44,929 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ca933680f/1fac517702f842dc985d5ab18520b98a/FLAG02a1fbe48 [2025-04-26 16:31:45,359 INFO L389 CDTParser]: Found 1 translation units. [2025-04-26 16:31:45,360 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2025-04-26 16:31:45,388 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ca933680f/1fac517702f842dc985d5ab18520b98a/FLAG02a1fbe48 [2025-04-26 16:31:46,029 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ca933680f/1fac517702f842dc985d5ab18520b98a [2025-04-26 16:31:46,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:31:46,032 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-26 16:31:46,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-26 16:31:46,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-26 16:31:46,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-26 16:31:46,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 04:31:46" (1/1) ... [2025-04-26 16:31:46,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33764250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:46, skipping insertion in model container [2025-04-26 16:31:46,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 04:31:46" (1/1) ... [2025-04-26 16:31:46,086 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-26 16:31:47,005 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--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2025-04-26 16:31:47,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 16:31:47,156 INFO L200 MainTranslator]: Completed pre-run [2025-04-26 16:31:47,215 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)); [2738-2739] [2025-04-26 16:31:47,216 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"); [2744-2746] [2025-04-26 16:31:47,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [2834] [2025-04-26 16:31:47,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [2841] [2025-04-26 16:31:47,235 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [3070-3071] [2025-04-26 16:31:47,238 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [3107-3108] [2025-04-26 16:31:47,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3858] [2025-04-26 16:31:47,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [3959] [2025-04-26 16:31:47,283 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 *)"drivers/spi/spi-tegra20-slink.c"), "i" (764), "i" (12UL)); [4186-4187] [2025-04-26 16:31:47,357 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--spi--spi-tegra20-slink.ko.cil.i[166960,166973] [2025-04-26 16:31:47,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 16:31:47,469 INFO L204 MainTranslator]: Completed translation [2025-04-26 16:31:47,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47 WrapperNode [2025-04-26 16:31:47,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-26 16:31:47,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:31:47,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:31:47,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:31:47,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,726 INFO L138 Inliner]: procedures = 311, calls = 1745, calls flagged for inlining = 456, calls inlined = 705, statements flattened = 8785 [2025-04-26 16:31:47,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:31:47,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:31:47,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:31:47,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:31:47,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:47,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:48,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:31:48,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:31:48,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:31:48,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:31:48,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (1/1) ... [2025-04-26 16:31:48,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:31:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:31:48,060 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 16:31:48,065 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 16:31:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-04-26 16:31:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_scenario_2 [2025-04-26 16:31:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_scenario_2 [2025-04-26 16:31:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_5 [2025-04-26 16:31:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_5 [2025-04-26 16:31:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-26 16:31:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pm_ops_scenario_4 [2025-04-26 16:31:48,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pm_ops_scenario_4 [2025-04-26 16:31:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-26 16:31:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_instance_3 [2025-04-26 16:31:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_instance_3 [2025-04-26 16:31:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:31:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:31:48,084 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 16:31:48,669 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:31:48,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:31:54,213 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:31:54,213 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:31:54,307 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:31:54,307 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:31:54,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:31:54 BoogieIcfgContainer [2025-04-26 16:31:54,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:31:54,308 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:31:54,308 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:31:54,312 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:31:54,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:31:54,312 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.04 04:31:46" (1/3) ... [2025-04-26 16:31:54,313 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b92ef8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:31:54, skipping insertion in model container [2025-04-26 16:31:54,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:31:54,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:31:47" (2/3) ... [2025-04-26 16:31:54,313 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b92ef8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:31:54, skipping insertion in model container [2025-04-26 16:31:54,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:31:54,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:31:54" (3/3) ... [2025-04-26 16:31:54,314 INFO L376 chiAutomizerObserver]: Analyzing ICFG linux-3.14--drivers--spi--spi-tegra20-slink.ko.cil.i [2025-04-26 16:31:55,783 INFO L143 ThreadInstanceAdder]: Constructed 17 joinOtherThreadTransitions. [2025-04-26 16:31:55,820 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:31:55,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:31:55,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:31:55,823 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 16:31:55,824 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 16:31:56,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 14663 places, 15302 transitions, 30673 flow [2025-04-26 16:32:27,598 INFO L116 PetriNetUnfolderBase]: 674/16298 cut-off events. [2025-04-26 16:32:27,600 INFO L117 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-04-26 16:32:28,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16328 conditions, 16298 events. 674/16298 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 103059 event pairs, 0 based on Foata normal form. 0/15618 useless extension candidates. Maximal degree in co-relation 15189. Up to 14 conditions per place. [2025-04-26 16:32:28,934 INFO L82 GeneralOperation]: Start removeDead. Operand has 14663 places, 15302 transitions, 30673 flow [2025-04-26 16:32:32,189 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 10497 places, 10948 transitions, 21936 flow [2025-04-26 16:32:32,189 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 10497 places, 10948 transitions, 21936 flow [2025-04-26 16:32:32,194 INFO L135 AmpleReduction]: Starting ample reduction