/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_change_pc8736x_gpio_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:21:52,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:21:52,439 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 15:21:52,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:21:52,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:21:52,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:21:52,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:21:52,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:21:52,456 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:21:52,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:21:52,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:21:52,456 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:21:52,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:21:52,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:21:52,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:21:52,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:21:52,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:21:52,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:21:52,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:21:52,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:21:52,458 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:21:52,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:21:52,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:21:52,459 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:21:52,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:21:52,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:21:52,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:21:52,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:21:52,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:21:52,461 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:21:52,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:21:52,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:21:52,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:21:52,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:21:52,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:21:52,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:21:52,656 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:21:52,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:21:52,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-11-17 15:21:53,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:21:54,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:21:54,048 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-11-17 15:21:54,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da3561f5/9c5a42aff8164c2e83e5d7610fd8cd99/FLAG534f6a0e2 [2023-11-17 15:21:54,103 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2da3561f5/9c5a42aff8164c2e83e5d7610fd8cd99 [2023-11-17 15:21:54,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:21:54,106 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:21:54,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:21:54,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:21:54,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:21:54,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:21:54" (1/1) ... [2023-11-17 15:21:54,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3327b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:54, skipping insertion in model container [2023-11-17 15:21:54,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:21:54" (1/1) ... [2023-11-17 15:21:54,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:21:54,490 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_change_pc8736x_gpio_configure.i[5469,5482] [2023-11-17 15:21:57,251 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:21:57,625 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:21:57,628 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:21:57,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:21:57,694 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:21:57,710 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_change_pc8736x_gpio_configure.i[5469,5482] [2023-11-17 15:21:57,765 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 15:21:57,767 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 15:21:57,767 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 15:21:57,767 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 15:21:57,818 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:21:57,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:21:57,856 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:21:57,856 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:21:57,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:21:58,259 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,259 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,259 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,259 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,259 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,259 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,260 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:58,265 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:21:58,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58 WrapperNode [2023-11-17 15:21:58,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:21:58,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:21:58,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:21:58,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:21:58,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,393 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 75, statements flattened = 830 [2023-11-17 15:21:58,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:21:58,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:21:58,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:21:58,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:21:58,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:21:58,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:21:58,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:21:58,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:21:58,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (1/1) ... [2023-11-17 15:21:58,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:21:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:21:58,465 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 15:21:58,479 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 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:21:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:21:58,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:21:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:21:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-17 15:21:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-17 15:21:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:21:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:21:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:21:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:21:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:21:58,506 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 15:21:58,883 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:21:58,885 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:21:59,513 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:21:59,542 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:21:59,543 INFO L307 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-17 15:21:59,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:21:59 BoogieIcfgContainer [2023-11-17 15:21:59,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:21:59,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:21:59,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:21:59,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:21:59,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:21:54" (1/3) ... [2023-11-17 15:21:59,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1738b1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:21:59, skipping insertion in model container [2023-11-17 15:21:59,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:58" (2/3) ... [2023-11-17 15:21:59,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1738b1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:21:59, skipping insertion in model container [2023-11-17 15:21:59,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:21:59" (3/3) ... [2023-11-17 15:21:59,549 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-11-17 15:21:59,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:21:59,561 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-17 15:21:59,562 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:21:59,652 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:21:59,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 992 places, 1045 transitions, 2104 flow [2023-11-17 15:21:59,935 INFO L124 PetriNetUnfolderBase]: 60/1043 cut-off events. [2023-11-17 15:21:59,935 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:21:59,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1052 conditions, 1043 events. 60/1043 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1893 event pairs, 0 based on Foata normal form. 0/980 useless extension candidates. Maximal degree in co-relation 867. Up to 9 conditions per place. [2023-11-17 15:21:59,950 INFO L82 GeneralOperation]: Start removeDead. Operand has 992 places, 1045 transitions, 2104 flow [2023-11-17 15:21:59,962 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 981 places, 1034 transitions, 2077 flow [2023-11-17 15:21:59,967 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:21:59,977 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 981 places, 1034 transitions, 2077 flow [2023-11-17 15:21:59,982 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 981 places, 1034 transitions, 2077 flow [2023-11-17 15:21:59,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 981 places, 1034 transitions, 2077 flow [2023-11-17 15:22:00,192 INFO L124 PetriNetUnfolderBase]: 60/1034 cut-off events. [2023-11-17 15:22:00,192 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:22:00,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 1034 events. 60/1034 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1743 event pairs, 0 based on Foata normal form. 0/971 useless extension candidates. Maximal degree in co-relation 867. Up to 9 conditions per place. [2023-11-17 15:22:00,218 INFO L119 LiptonReduction]: Number of co-enabled transitions 68976 [2023-11-17 15:23:38,137 WARN L293 SmtUtils]: Spent 8.72s on a formula simplification that was a NOOP. DAG size: 493 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:23:46,181 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 473 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:23:59,479 WARN L293 SmtUtils]: Spent 13.29s on a formula simplification that was a NOOP. DAG size: 493 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:24:12,598 WARN L293 SmtUtils]: Spent 13.11s on a formula simplification that was a NOOP. DAG size: 473 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:26:17,214 WARN L293 SmtUtils]: Spent 1.98m on a formula simplification. DAG size of input: 621 DAG size of output: 619 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:27:21,927 WARN L293 SmtUtils]: Spent 1.08m 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 15:30:24,574 WARN L293 SmtUtils]: Spent 3.04m on a formula simplification. DAG size of input: 624 DAG size of output: 622 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-11-17 15:31:31,731 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 15:31:31,914 WARN L235 SmtUtils]: Removed 40 from assertion stack [2023-11-17 15:31:31,914 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 15:31:31,916 INFO L158 Benchmark]: Toolchain (without parser) took 577808.97ms. Allocated memory was 324.0MB in the beginning and 607.1MB in the end (delta: 283.1MB). Free memory was 262.0MB in the beginning and 318.8MB in the end (delta: -56.8MB). Peak memory consumption was 407.7MB. Max. memory is 8.0GB. [2023-11-17 15:31:31,916 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:31:31,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4158.24ms. Allocated memory was 324.0MB in the beginning and 396.4MB in the end (delta: 72.4MB). Free memory was 262.0MB in the beginning and 259.8MB in the end (delta: 2.2MB). Peak memory consumption was 146.8MB. Max. memory is 8.0GB. [2023-11-17 15:31:31,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.89ms. Allocated memory is still 396.4MB. Free memory was 259.8MB in the beginning and 247.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 15:31:31,917 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 396.4MB. Free memory was 247.3MB in the beginning and 240.4MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-11-17 15:31:31,917 INFO L158 Benchmark]: RCFGBuilder took 1103.91ms. Allocated memory is still 396.4MB. Free memory was 240.4MB in the beginning and 305.8MB in the end (delta: -65.3MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. [2023-11-17 15:31:31,918 INFO L158 Benchmark]: TraceAbstraction took 572369.49ms. Allocated memory was 396.4MB in the beginning and 607.1MB in the end (delta: 210.8MB). Free memory was 304.7MB in the beginning and 318.8MB in the end (delta: -14.1MB). Peak memory consumption was 376.5MB. Max. memory is 8.0GB. [2023-11-17 15:31:31,920 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 186.6MB. Free memory is still 135.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4158.24ms. Allocated memory was 324.0MB in the beginning and 396.4MB in the end (delta: 72.4MB). Free memory was 262.0MB in the beginning and 259.8MB in the end (delta: 2.2MB). Peak memory consumption was 146.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 124.89ms. Allocated memory is still 396.4MB. Free memory was 259.8MB in the beginning and 247.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 396.4MB. Free memory was 247.3MB in the beginning and 240.4MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1103.91ms. Allocated memory is still 396.4MB. Free memory was 240.4MB in the beginning and 305.8MB in the end (delta: -65.3MB). Peak memory consumption was 76.5MB. Max. memory is 8.0GB. * TraceAbstraction took 572369.49ms. Allocated memory was 396.4MB in the beginning and 607.1MB in the end (delta: 210.8MB). Free memory was 304.7MB in the beginning and 318.8MB in the end (delta: -14.1MB). Peak memory consumption was 376.5MB. 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 981 places, 1034 transitions, 2077 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 981 places, 1034 transitions, 2077 flow and 206 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 576 for 67328ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown