/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:24:21,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:24:22,038 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 15:24:22,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:24:22,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:24:22,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:24:22,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:24:22,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:24:22,078 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:24:22,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:24:22,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:24:22,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:24:22,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:24:22,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:24:22,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:24:22,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:24:22,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:24:22,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:24:22,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:24:22,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:24:22,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:24:22,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:24:22,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:24:22,087 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:24:22,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:24:22,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:24:22,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:24:22,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:24:22,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:24:22,089 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:24:22,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:24:22,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:24:22,091 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:24:22,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:24:22,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:24:22,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:24:22,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:24:22,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:24:22,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-17 15:24:23,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:24:24,011 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:24:24,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-17 15:24:24,056 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d960f0abe/c81994370f1e4d6f9b6603076ad795f3/FLAG0ed0c4e70 [2023-11-17 15:24:24,075 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d960f0abe/c81994370f1e4d6f9b6603076ad795f3 [2023-11-17 15:24:24,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:24:24,081 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:24:24,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:24:24,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:24:24,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:24:24,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:24:24" (1/1) ... [2023-11-17 15:24:24,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f87ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:24, skipping insertion in model container [2023-11-17 15:24:24,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:24:24" (1/1) ... [2023-11-17 15:24:24,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:24:24,573 WARN L240 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_set.i[5469,5482] [2023-11-17 15:24:26,980 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:24:27,549 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:24:27,550 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:24:27,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:24:27,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:24:27,661 WARN L240 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_set.i[5469,5482] [2023-11-17 15:24:27,726 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] [2023-11-17 15:24:27,728 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] [2023-11-17 15:24:27,728 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] [2023-11-17 15:24:27,728 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] [2023-11-17 15:24:27,821 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:24:27,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:24:27,877 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:24:27,878 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:24:27,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,454 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:24:28,461 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:24:28,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28 WrapperNode [2023-11-17 15:24:28,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:24:28,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:24:28,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:24:28,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:24:28,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,646 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 801 [2023-11-17 15:24:28,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:24:28,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:24:28,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:24:28,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:24:28,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,714 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:24:28,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:24:28,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:24:28,766 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:24:28,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (1/1) ... [2023-11-17 15:24:28,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:24:28,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:24:28,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 15:24:28,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:24:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:24:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:24:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:24:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:24:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-17 15:24:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-17 15:24:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:24:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:24:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:24:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:24:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:24:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:24:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:24:28,836 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:24:29,308 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:24:29,310 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:24:30,248 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:24:30,299 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:24:30,299 INFO L307 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-17 15:24:30,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:24:30 BoogieIcfgContainer [2023-11-17 15:24:30,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:24:30,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:24:30,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:24:30,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:24:30,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:24:24" (1/3) ... [2023-11-17 15:24:30,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ef5a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:24:30, skipping insertion in model container [2023-11-17 15:24:30,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:24:28" (2/3) ... [2023-11-17 15:24:30,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ef5a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:24:30, skipping insertion in model container [2023-11-17 15:24:30,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:24:30" (3/3) ... [2023-11-17 15:24:30,309 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-17 15:24:30,325 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:24:30,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 15:24:30,326 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:24:30,445 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:24:30,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 954 places, 1005 transitions, 2024 flow [2023-11-17 15:24:30,832 INFO L124 PetriNetUnfolderBase]: 58/1003 cut-off events. [2023-11-17 15:24:30,832 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:24:30,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 1003 events. 58/1003 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1737 event pairs, 0 based on Foata normal form. 0/943 useless extension candidates. Maximal degree in co-relation 793. Up to 9 conditions per place. [2023-11-17 15:24:30,845 INFO L82 GeneralOperation]: Start removeDead. Operand has 954 places, 1005 transitions, 2024 flow [2023-11-17 15:24:30,857 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 943 places, 994 transitions, 1997 flow [2023-11-17 15:24:30,860 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:24:30,871 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 943 places, 994 transitions, 1997 flow [2023-11-17 15:24:30,874 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 943 places, 994 transitions, 1997 flow [2023-11-17 15:24:30,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 943 places, 994 transitions, 1997 flow [2023-11-17 15:24:31,136 INFO L124 PetriNetUnfolderBase]: 58/994 cut-off events. [2023-11-17 15:24:31,136 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:24:31,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1002 conditions, 994 events. 58/994 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1579 event pairs, 0 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 793. Up to 9 conditions per place. [2023-11-17 15:24:31,162 INFO L119 LiptonReduction]: Number of co-enabled transitions 52372 [2023-11-17 15:25:45,145 WARN L293 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 279 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:25:51,512 WARN L293 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 271 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:25:59,158 WARN L293 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 279 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:26:05,773 WARN L293 SmtUtils]: Spent 6.61s on a formula simplification that was a NOOP. DAG size: 271 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:28:34,948 WARN L293 SmtUtils]: Spent 2.07m on a formula simplification. DAG size of input: 661 DAG size of output: 659 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:33,082 WARN L293 SmtUtils]: Spent 58.11s on a formula simplification that was a NOOP. DAG size: 573 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:32:36,251 WARN L293 SmtUtils]: Spent 3.05m on a formula simplification. DAG size of input: 667 DAG size of output: 662 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-11-17 15:33:42,610 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 15:33:42,700 WARN L235 SmtUtils]: Removed 9 from assertion stack [2023-11-17 15:33:42,700 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-11-17 15:33:42,702 INFO L158 Benchmark]: Toolchain (without parser) took 558620.90ms. Allocated memory was 187.7MB in the beginning and 329.3MB in the end (delta: 141.6MB). Free memory was 138.9MB in the beginning and 75.2MB in the end (delta: 63.7MB). Peak memory consumption was 247.9MB. Max. memory is 8.0GB. [2023-11-17 15:33:42,702 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:33:42,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4378.65ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 138.6MB in the beginning and 143.1MB in the end (delta: -4.5MB). Peak memory consumption was 123.5MB. Max. memory is 8.0GB. [2023-11-17 15:33:42,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.71ms. Allocated memory is still 261.1MB. Free memory was 143.1MB in the beginning and 131.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 15:33:42,704 INFO L158 Benchmark]: Boogie Preprocessor took 117.75ms. Allocated memory is still 261.1MB. Free memory was 130.5MB in the beginning and 124.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 15:33:42,704 INFO L158 Benchmark]: RCFGBuilder took 1535.52ms. Allocated memory is still 261.1MB. Free memory was 124.2MB in the beginning and 148.9MB in the end (delta: -24.6MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. [2023-11-17 15:33:42,705 INFO L158 Benchmark]: TraceAbstraction took 552397.99ms. Allocated memory was 261.1MB in the beginning and 329.3MB in the end (delta: 68.2MB). Free memory was 148.4MB in the beginning and 75.2MB in the end (delta: 73.2MB). Peak memory consumption was 182.7MB. Max. memory is 8.0GB. [2023-11-17 15:33:42,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4378.65ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 138.6MB in the beginning and 143.1MB in the end (delta: -4.5MB). Peak memory consumption was 123.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 183.71ms. Allocated memory is still 261.1MB. Free memory was 143.1MB in the beginning and 131.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 117.75ms. Allocated memory is still 261.1MB. Free memory was 130.5MB in the beginning and 124.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1535.52ms. Allocated memory is still 261.1MB. Free memory was 124.2MB in the beginning and 148.9MB in the end (delta: -24.6MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. * TraceAbstraction took 552397.99ms. Allocated memory was 261.1MB in the beginning and 329.3MB in the end (delta: 68.2MB). Free memory was 148.4MB in the beginning and 75.2MB in the end (delta: 73.2MB). Peak memory consumption was 182.7MB. Max. memory is 8.0GB. * 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while CegarLoopFactory was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 943 places, 994 transitions, 1997 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 943 places, 994 transitions, 1997 flow and 150 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 576 for 66422ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown