./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 12:25:19,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 12:25:19,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 12:25:19,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 12:25:19,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 12:25:19,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 12:25:19,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 12:25:19,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 12:25:19,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 12:25:19,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 12:25:19,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 12:25:19,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 12:25:19,916 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 12:25:19,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 12:25:19,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 12:25:19,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 12:25:19,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 12:25:19,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 12:25:19,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 12:25:19,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 12:25:19,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 12:25:19,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 12:25:19,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 12:25:19,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 12:25:19,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 12:25:19,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 12:25:19,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 12:25:19,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 12:25:19,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 12:25:19,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 12:25:19,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 12:25:19,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 12:25:19,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 12:25:19,926 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 12:25:19,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 12:25:19,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 12:25:19,927 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 12:25:19,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 12:25:19,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 12:25:19,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 12:25:19,928 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 12:25:19,932 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 12:25:20,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 12:25:20,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 12:25:20,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 12:25:20,271 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 12:25:20,272 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 12:25:20,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-10-18 12:25:21,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 12:25:22,331 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 12:25:22,333 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-10-18 12:25:22,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7575f2b61/def4615a7e3a4014a937960da56b3480/FLAG4137b9985 [2024-10-18 12:25:22,872 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7575f2b61/def4615a7e3a4014a937960da56b3480 [2024-10-18 12:25:22,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 12:25:22,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 12:25:22,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 12:25:22,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 12:25:22,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 12:25:22,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:25:22" (1/1) ... [2024-10-18 12:25:22,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2611b77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:25:22, skipping insertion in model container [2024-10-18 12:25:22,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:25:22" (1/1) ... [2024-10-18 12:25:23,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 12:25:23,500 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2024-10-18 12:25:31,015 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:31,018 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:31,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 12:25:31,137 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 12:25:31,155 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2024-10-18 12:25:31,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:31,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:31,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:31,269 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:31,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-18 12:25:31,409 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:31,410 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:31,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 12:25:31,905 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-18 12:25:31,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57cd89f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:25:31, skipping insertion in model container [2024-10-18 12:25:31,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 12:25:31,907 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-18 12:25:31,909 INFO L158 Benchmark]: Toolchain (without parser) took 9031.50ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 106.7MB in the beginning and 112.8MB in the end (delta: -6.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2024-10-18 12:25:31,909 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 12:25:31,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9028.96ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 106.7MB in the beginning and 112.8MB in the end (delta: -6.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2024-10-18 12:25:31,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9028.96ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 106.7MB in the beginning and 112.8MB in the end (delta: -6.1MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 12:25:34,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 12:25:34,190 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-18 12:25:34,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 12:25:34,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 12:25:34,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 12:25:34,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 12:25:34,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 12:25:34,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 12:25:34,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 12:25:34,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 12:25:34,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 12:25:34,238 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 12:25:34,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 12:25:34,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 12:25:34,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 12:25:34,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 12:25:34,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 12:25:34,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 12:25:34,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 12:25:34,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 12:25:34,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-18 12:25:34,247 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 12:25:34,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-18 12:25:34,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 12:25:34,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 12:25:34,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 12:25:34,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 12:25:34,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 12:25:34,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 12:25:34,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 12:25:34,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 12:25:34,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 12:25:34,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 12:25:34,250 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 12:25:34,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-18 12:25:34,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 12:25:34,251 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 12:25:34,251 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-18 12:25:34,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 12:25:34,255 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-18 12:25:34,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 12:25:34,256 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 12:25:34,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88bca9185142422415fbddafb6cac7c857174da4ef75c27fb196c743fff50fc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-10-18 12:25:34,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 12:25:34,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 12:25:34,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 12:25:34,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 12:25:34,654 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 12:25:34,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-10-18 12:25:36,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 12:25:36,930 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 12:25:36,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2024-10-18 12:25:36,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5512c7db9/3943abe72529414e937ae21939246ffe/FLAGf5990b099 [2024-10-18 12:25:37,005 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5512c7db9/3943abe72529414e937ae21939246ffe [2024-10-18 12:25:37,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 12:25:37,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 12:25:37,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 12:25:37,014 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 12:25:37,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 12:25:37,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:25:37" (1/1) ... [2024-10-18 12:25:37,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3a6418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:25:37, skipping insertion in model container [2024-10-18 12:25:37,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:25:37" (1/1) ... [2024-10-18 12:25:37,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 12:25:37,610 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2024-10-18 12:25:41,972 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:41,977 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:42,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 12:25:42,125 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 12:25:42,151 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2024-10-18 12:25:42,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:42,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:42,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:42,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2024-10-18 12:25:42,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-18 12:25:42,459 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:42,460 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-18 12:25:42,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 12:25:42,997 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-18 12:25:42,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@222a5eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:25:42, skipping insertion in model container [2024-10-18 12:25:42,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 12:25:42,999 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-18 12:25:43,005 INFO L158 Benchmark]: Toolchain (without parser) took 5988.93ms. Allocated memory was 67.1MB in the beginning and 119.5MB in the end (delta: 52.4MB). Free memory was 33.1MB in the beginning and 50.4MB in the end (delta: -17.3MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-10-18 12:25:43,006 INFO L158 Benchmark]: CDTParser took 5.46ms. Allocated memory is still 44.0MB. Free memory was 20.4MB in the beginning and 29.0MB in the end (delta: -8.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 12:25:43,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5985.37ms. Allocated memory was 67.1MB in the beginning and 119.5MB in the end (delta: 52.4MB). Free memory was 32.9MB in the beginning and 50.4MB in the end (delta: -17.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-10-18 12:25:43,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.46ms. Allocated memory is still 44.0MB. Free memory was 20.4MB in the beginning and 29.0MB in the end (delta: -8.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5985.37ms. Allocated memory was 67.1MB in the beginning and 119.5MB in the end (delta: 52.4MB). Free memory was 32.9MB in the beginning and 50.4MB in the end (delta: -17.5MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: ____ilog2_NaN RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN