./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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_open_pc8736x_gpio_configure.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 b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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 [2024-10-17 07:56:21,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 07:56:21,191 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-17 07:56:21,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 07:56:21,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 07:56:21,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 07:56:21,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 07:56:21,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 07:56:21,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 07:56:21,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 07:56:21,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 07:56:21,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 07:56:21,222 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 07:56:21,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 07:56:21,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 07:56:21,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 07:56:21,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-17 07:56:21,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 07:56:21,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 07:56:21,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 07:56:21,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 07:56:21,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 07:56:21,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 07:56:21,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 07:56:21,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 07:56:21,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 07:56:21,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 07:56:21,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 07:56:21,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 07:56:21,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 07:56:21,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 07:56:21,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 07:56:21,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 07:56:21,233 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 07:56:21,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-17 07:56:21,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 07:56:21,233 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 07:56:21,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 07:56:21,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-17 07:56:21,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 07:56:21,234 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 07:56:21,234 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 -> b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 07:56:21,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 07:56:21,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 07:56:21,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 07:56:21,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 07:56:21,493 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 07:56:21,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2024-10-17 07:56:22,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 07:56:23,141 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 07:56:23,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2024-10-17 07:56:23,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9e7c2925f/2b32fa3a53374324a4e9638ce76b8e80/FLAGac6ab3609 [2024-10-17 07:56:23,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9e7c2925f/2b32fa3a53374324a4e9638ce76b8e80 [2024-10-17 07:56:23,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 07:56:23,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 07:56:23,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 07:56:23,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 07:56:23,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 07:56:23,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 07:56:23" (1/1) ... [2024-10-17 07:56:23,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@987ae99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:56:23, skipping insertion in model container [2024-10-17 07:56:23,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 07:56:23" (1/1) ... [2024-10-17 07:56:23,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 07:56:23,607 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_open_pc8736x_gpio_configure.i[5469,5482] [2024-10-17 07:56:26,267 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:26,270 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:26,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 07:56:26,344 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 07:56:26,360 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_open_pc8736x_gpio_configure.i[5469,5482] [2024-10-17 07:56:26,434 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] [2024-10-17 07:56:26,435 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] [2024-10-17 07:56:26,436 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] [2024-10-17 07:56:26,436 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] [2024-10-17 07:56:26,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-17 07:56:26,613 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:26,613 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:26,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 07:56:27,118 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-17 07:56:27,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16ebe7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:56:27, skipping insertion in model container [2024-10-17 07:56:27,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 07:56:27,119 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-17 07:56:27,120 INFO L158 Benchmark]: Toolchain (without parser) took 3930.50ms. Allocated memory was 163.6MB in the beginning and 354.4MB in the end (delta: 190.8MB). Free memory was 83.7MB in the beginning and 198.6MB in the end (delta: -114.8MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-10-17 07:56:27,120 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 07:56:27,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3925.11ms. Allocated memory was 163.6MB in the beginning and 354.4MB in the end (delta: 190.8MB). Free memory was 83.3MB in the beginning and 198.6MB in the end (delta: -115.2MB). Peak memory consumption was 96.5MB. Max. memory is 16.1GB. [2024-10-17 07:56:27,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 163.6MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3925.11ms. Allocated memory was 163.6MB in the beginning and 354.4MB in the end (delta: 190.8MB). Free memory was 83.3MB in the beginning and 198.6MB in the end (delta: -115.2MB). Peak memory consumption was 96.5MB. 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_open_pc8736x_gpio_configure.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 b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.tracecheck.mode.for.conditional.commutativity SYMBOLIC_RELATION -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 [2024-10-17 07:56:28,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-17 07:56:29,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-17 07:56:29,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-17 07:56:29,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-17 07:56:29,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-17 07:56:29,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-17 07:56:29,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-17 07:56:29,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-17 07:56:29,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-17 07:56:29,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-17 07:56:29,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-17 07:56:29,048 INFO L153 SettingsManager]: * Use SBE=true [2024-10-17 07:56:29,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-17 07:56:29,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-17 07:56:29,050 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-17 07:56:29,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-17 07:56:29,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-17 07:56:29,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-17 07:56:29,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-17 07:56:29,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-17 07:56:29,052 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-17 07:56:29,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-17 07:56:29,055 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-17 07:56:29,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-17 07:56:29,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-17 07:56:29,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-17 07:56:29,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-17 07:56:29,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-17 07:56:29,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-17 07:56:29,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-17 07:56:29,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-17 07:56:29,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-17 07:56:29,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-17 07:56:29,056 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-17 07:56:29,057 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-17 07:56:29,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-17 07:56:29,057 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-17 07:56:29,057 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-17 07:56:29,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-17 07:56:29,057 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-17 07:56:29,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-17 07:56:29,058 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-17 07:56:29,058 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 -> b1a17d3759bada8eeaa7181dfb5d5b3d4a0a35df75e272f1b74765d1fea9e0e6 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 -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-17 07:56:29,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-17 07:56:29,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-17 07:56:29,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-17 07:56:29,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-17 07:56:29,378 INFO L274 PluginConnector]: CDTParser initialized [2024-10-17 07:56:29,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2024-10-17 07:56:30,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-17 07:56:31,120 INFO L384 CDTParser]: Found 1 translation units. [2024-10-17 07:56:31,120 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_configure.i [2024-10-17 07:56:31,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aceb06eef/787379a8f90547799f609ffca2469637/FLAG8aacaf4f9 [2024-10-17 07:56:31,171 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aceb06eef/787379a8f90547799f609ffca2469637 [2024-10-17 07:56:31,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-17 07:56:31,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-17 07:56:31,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-17 07:56:31,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-17 07:56:31,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-17 07:56:31,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 07:56:31" (1/1) ... [2024-10-17 07:56:31,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1213f288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:56:31, skipping insertion in model container [2024-10-17 07:56:31,180 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 07:56:31" (1/1) ... [2024-10-17 07:56:31,276 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-17 07:56:31,582 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_open_pc8736x_gpio_configure.i[5469,5482] [2024-10-17 07:56:34,513 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:34,515 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:34,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 07:56:34,586 INFO L200 MainTranslator]: Completed pre-run [2024-10-17 07:56:34,599 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_open_pc8736x_gpio_configure.i[5469,5482] [2024-10-17 07:56:34,716 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] [2024-10-17 07:56:34,718 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] [2024-10-17 07:56:34,719 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] [2024-10-17 07:56:34,719 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] [2024-10-17 07:56:34,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-17 07:56:34,849 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:34,850 WARN L1659 CHandler]: Possible shadowing of function iminor [2024-10-17 07:56:34,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-17 07:56:35,278 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: ____ilog2_NaN [2024-10-17 07:56:35,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@782f44df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 07:56:35, skipping insertion in model container [2024-10-17 07:56:35,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-17 07:56:35,279 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-17 07:56:35,280 INFO L158 Benchmark]: Toolchain (without parser) took 4105.50ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 40.2MB in the end (delta: -3.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-10-17 07:56:35,281 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-17 07:56:35,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4103.93ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 36.5MB in the beginning and 40.2MB in the end (delta: -3.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-10-17 07:56:35,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4103.93ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 36.5MB in the beginning and 40.2MB in the end (delta: -3.8MB). Peak memory consumption was 51.9MB. 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