./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5dad65ad 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_configure_pc8736x_gpio_current.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 e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 11:00:27,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 11:00:27,076 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-22 11:00:27,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 11:00:27,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 11:00:27,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 11:00:27,111 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 11:00:27,111 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 11:00:27,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 11:00:27,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 11:00:27,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 11:00:27,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 11:00:27,115 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 11:00:27,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 11:00:27,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 11:00:27,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 11:00:27,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-22 11:00:27,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 11:00:27,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 11:00:27,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 11:00:27,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 11:00:27,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 11:00:27,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 11:00:27,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 11:00:27,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 11:00:27,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 11:00:27,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 11:00:27,122 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 11:00:27,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 11:00:27,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 11:00:27,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 11:00:27,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 11:00:27,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 11:00:27,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 11:00:27,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-22 11:00:27,129 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 11:00:27,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-22 11:00:27,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 11:00:27,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 11:00:27,130 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 11:00:27,130 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 11:00:27,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 11:00:27,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 11:00:27,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 11:00:27,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 11:00:27,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 11:00:27,399 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 11:00:27,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2024-10-22 11:00:28,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 11:00:29,326 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 11:00:29,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2024-10-22 11:00:29,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b486b5c2e/eacc896f21b74287b21f7b43bfb9dddd/FLAG43cb44ebb [2024-10-22 11:00:29,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b486b5c2e/eacc896f21b74287b21f7b43bfb9dddd [2024-10-22 11:00:29,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 11:00:29,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 11:00:29,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 11:00:29,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 11:00:29,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 11:00:29,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:00:29" (1/1) ... [2024-10-22 11:00:29,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235d3616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:00:29, skipping insertion in model container [2024-10-22 11:00:29,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:00:29" (1/1) ... [2024-10-22 11:00:29,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 11:00:29,971 WARN L248 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_configure_pc8736x_gpio_current.i[5469,5482] [2024-10-22 11:00:32,939 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:32,940 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:33,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 11:00:33,058 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 11:00:33,079 WARN L248 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_configure_pc8736x_gpio_current.i[5469,5482] [2024-10-22 11:00:33,179 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] [2024-10-22 11:00:33,181 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] [2024-10-22 11:00:33,181 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] [2024-10-22 11:00:33,182 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] [2024-10-22 11:00:33,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-22 11:00:33,310 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:33,311 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:33,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 11:00:33,834 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN [2024-10-22 11:00:33,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4df5a93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:00:33, skipping insertion in model container [2024-10-22 11:00:33,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 11:00:33,835 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-22 11:00:33,837 INFO L158 Benchmark]: Toolchain (without parser) took 4371.27ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 96.4MB in the beginning and 100.9MB in the end (delta: -4.5MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2024-10-22 11:00:33,840 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-22 11:00:33,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4369.13ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 96.4MB in the beginning and 100.9MB in the end (delta: -4.5MB). Peak memory consumption was 161.6MB. Max. memory is 16.1GB. [2024-10-22 11:00:33,843 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 163.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4369.13ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 96.4MB in the beginning and 100.9MB in the end (delta: -4.5MB). Peak memory consumption was 161.6MB. 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: __xchg_wrong_size, ____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_configure_pc8736x_gpio_current.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 e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-dev-5dad65a-m [2024-10-22 11:00:35,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-22 11:00:35,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-22 11:00:35,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-22 11:00:35,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-22 11:00:35,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-22 11:00:35,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-22 11:00:35,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-22 11:00:35,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-22 11:00:35,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-22 11:00:35,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-22 11:00:35,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-22 11:00:35,975 INFO L153 SettingsManager]: * Use SBE=true [2024-10-22 11:00:35,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-22 11:00:35,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-22 11:00:35,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-22 11:00:35,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-22 11:00:35,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-22 11:00:35,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-22 11:00:35,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-22 11:00:35,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-22 11:00:35,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-22 11:00:35,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-22 11:00:35,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-22 11:00:35,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-22 11:00:35,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-22 11:00:35,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-22 11:00:35,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-22 11:00:35,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-22 11:00:35,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-22 11:00:35,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-22 11:00:35,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-22 11:00:35,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-22 11:00:35,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-22 11:00:35,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-22 11:00:35,986 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-22 11:00:35,986 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-22 11:00:35,988 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-22 11:00:35,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-22 11:00:35,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-22 11:00:35,989 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-22 11:00:35,989 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-22 11:00:35,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-22 11:00:35,989 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7b584daec49a40dea8b0111f29f8cb062ca3b12b5b166ebb1701b9de8e509ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-10-22 11:00:36,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-22 11:00:36,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-22 11:00:36,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-22 11:00:36,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-22 11:00:36,339 INFO L274 PluginConnector]: CDTParser initialized [2024-10-22 11:00:36,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2024-10-22 11:00:37,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-22 11:00:38,412 INFO L384 CDTParser]: Found 1 translation units. [2024-10-22 11:00:38,413 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_current.i [2024-10-22 11:00:38,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/877fd9192/0d3344b11d7746cc904a0b3afeae6ada/FLAG439648272 [2024-10-22 11:00:38,484 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/877fd9192/0d3344b11d7746cc904a0b3afeae6ada [2024-10-22 11:00:38,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-22 11:00:38,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-22 11:00:38,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-22 11:00:38,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-22 11:00:38,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-22 11:00:38,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:00:38" (1/1) ... [2024-10-22 11:00:38,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7536c3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:00:38, skipping insertion in model container [2024-10-22 11:00:38,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:00:38" (1/1) ... [2024-10-22 11:00:38,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-22 11:00:39,000 WARN L248 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_configure_pc8736x_gpio_current.i[5469,5482] [2024-10-22 11:00:41,814 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:41,814 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:41,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 11:00:41,897 INFO L200 MainTranslator]: Completed pre-run [2024-10-22 11:00:41,918 WARN L248 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_configure_pc8736x_gpio_current.i[5469,5482] [2024-10-22 11:00:42,038 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] [2024-10-22 11:00:42,040 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] [2024-10-22 11:00:42,040 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] [2024-10-22 11:00:42,041 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] [2024-10-22 11:00:42,164 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2024-10-22 11:00:42,209 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:42,210 WARN L1660 CHandler]: Possible shadowing of function iminor [2024-10-22 11:00:42,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-22 11:00:42,602 ERROR L321 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: __xchg_wrong_size, ____ilog2_NaN [2024-10-22 11:00:42,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a1ccda6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:00:42, skipping insertion in model container [2024-10-22 11:00:42,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-22 11:00:42,603 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-22 11:00:42,605 INFO L158 Benchmark]: Toolchain (without parser) took 4116.08ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 35.6MB in the beginning and 43.0MB in the end (delta: -7.3MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-10-22 11:00:42,606 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-22 11:00:42,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4112.43ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 35.4MB in the beginning and 43.0MB in the end (delta: -7.5MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-10-22 11:00:42,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 46.3MB in the beginning and 46.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4112.43ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 35.4MB in the beginning and 43.0MB in the end (delta: -7.5MB). Peak memory consumption was 74.2MB. 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: __xchg_wrong_size, ____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