/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_open_pc8736x_gpio_change.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:30:13,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:30:13,164 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 15:30:13,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:30:13,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:30:13,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:30:13,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:30:13,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:30:13,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:30:13,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:30:13,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:30:13,190 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:30:13,190 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:30:13,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:30:13,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:30:13,191 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:30:13,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:30:13,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:30:13,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:30:13,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:30:13,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:30:13,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:30:13,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:30:13,194 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:30:13,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:30:13,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:30:13,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:30:13,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:30:13,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:30:13,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:30:13,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:30:13,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:30:13,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:30:13,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:30:13,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:30:13,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:30:13,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:30:13,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:30:13,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2023-11-17 15:30:14,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:30:15,061 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:30:15,065 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2023-11-17 15:30:15,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a5bc10d/05b71424571c4ae4bb8f1752c65d9ae2/FLAGb82c5ad7d [2023-11-17 15:30:15,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2a5bc10d/05b71424571c4ae4bb8f1752c65d9ae2 [2023-11-17 15:30:15,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:30:15,138 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:30:15,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:30:15,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:30:15,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:30:15,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:30:15" (1/1) ... [2023-11-17 15:30:15,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad6f9e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:15, skipping insertion in model container [2023-11-17 15:30:15,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:30:15" (1/1) ... [2023-11-17 15:30:15,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:30:15,607 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_open_pc8736x_gpio_change.i[5469,5482] [2023-11-17 15:30:18,817 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:30:19,303 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:19,303 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:19,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:30:19,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:30:19,427 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_open_pc8736x_gpio_change.i[5469,5482] [2023-11-17 15:30:19,499 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 15:30:19,501 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 15:30:19,501 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 15:30:19,501 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 15:30:19,575 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:30:19,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:30:19,623 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:19,623 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:30:19,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:30:20,068 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,068 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,068 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,068 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,068 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,069 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,069 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:30:20,082 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:30:20,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20 WrapperNode [2023-11-17 15:30:20,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:30:20,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:30:20,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:30:20,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:30:20,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,284 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 56, statements flattened = 738 [2023-11-17 15:30:20,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:30:20,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:30:20,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:30:20,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:30:20,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:30:20,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:30:20,387 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:30:20,387 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:30:20,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (1/1) ... [2023-11-17 15:30:20,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:30:20,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:30:20,416 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 15:30:20,440 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 15:30:20,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:30:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:30:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:30:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:30:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:30:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:30:20,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:30:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:30:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-11-17 15:30:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-11-17 15:30:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:30:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:30:20,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:30:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:30:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:30:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:30:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:30:20,455 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 15:30:20,912 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:30:20,914 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:30:21,627 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:30:21,644 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:30:21,644 INFO L307 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-17 15:30:21,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:30:21 BoogieIcfgContainer [2023-11-17 15:30:21,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:30:21,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:30:21,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:30:21,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:30:21,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:30:15" (1/3) ... [2023-11-17 15:30:21,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374d2131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:30:21, skipping insertion in model container [2023-11-17 15:30:21,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:30:20" (2/3) ... [2023-11-17 15:30:21,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374d2131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:30:21, skipping insertion in model container [2023-11-17 15:30:21,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:30:21" (3/3) ... [2023-11-17 15:30:21,678 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_change.i [2023-11-17 15:30:21,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:30:21,694 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-17 15:30:21,694 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:30:21,800 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:30:21,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 859 places, 908 transitions, 1830 flow [2023-11-17 15:30:22,106 INFO L124 PetriNetUnfolderBase]: 56/906 cut-off events. [2023-11-17 15:30:22,107 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:30:22,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 915 conditions, 906 events. 56/906 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1309 event pairs, 0 based on Foata normal form. 0/846 useless extension candidates. Maximal degree in co-relation 730. Up to 9 conditions per place. [2023-11-17 15:30:22,117 INFO L82 GeneralOperation]: Start removeDead. Operand has 859 places, 908 transitions, 1830 flow [2023-11-17 15:30:22,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 848 places, 897 transitions, 1803 flow [2023-11-17 15:30:22,130 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:30:22,139 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 848 places, 897 transitions, 1803 flow [2023-11-17 15:30:22,142 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 848 places, 897 transitions, 1803 flow [2023-11-17 15:30:22,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 848 places, 897 transitions, 1803 flow [2023-11-17 15:30:22,310 INFO L124 PetriNetUnfolderBase]: 56/897 cut-off events. [2023-11-17 15:30:22,311 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:30:22,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 897 events. 56/897 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1238 event pairs, 0 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 730. Up to 9 conditions per place. [2023-11-17 15:30:22,326 INFO L119 LiptonReduction]: Number of co-enabled transitions 22122 [2023-11-17 15:31:46,320 WARN L293 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 327 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:31:57,654 WARN L293 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 327 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:32:51,694 WARN L293 SmtUtils]: Spent 47.52s on a formula simplification that was a NOOP. DAG size: 535 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:33:40,357 WARN L293 SmtUtils]: Spent 48.66s on a formula simplification that was a NOOP. DAG size: 535 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:34:23,038 WARN L293 SmtUtils]: Spent 42.68s on a formula simplification that was a NOOP. DAG size: 535 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:35:07,015 WARN L293 SmtUtils]: Spent 43.98s on a formula simplification that was a NOOP. DAG size: 535 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:37:47,093 WARN L293 SmtUtils]: Spent 2.57m on a formula simplification. DAG size of input: 579 DAG size of output: 577 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:38:25,100 WARN L293 SmtUtils]: Spent 38.00s 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) Received shutdown request... [2023-11-17 15:39:35,794 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 15:39:35,954 WARN L235 SmtUtils]: Removed 16 from assertion stack [2023-11-17 15:39:35,954 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 15:39:35,956 INFO L158 Benchmark]: Toolchain (without parser) took 560817.71ms. Allocated memory was 244.3MB in the beginning and 392.2MB in the end (delta: 147.8MB). Free memory was 185.3MB in the beginning and 170.4MB in the end (delta: 14.9MB). Peak memory consumption was 278.5MB. Max. memory is 8.0GB. [2023-11-17 15:39:35,956 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:39:35,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4943.25ms. Allocated memory was 244.3MB in the beginning and 326.1MB in the end (delta: 81.8MB). Free memory was 185.3MB in the beginning and 230.1MB in the end (delta: -44.8MB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. [2023-11-17 15:39:35,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 201.12ms. Allocated memory is still 326.1MB. Free memory was 230.1MB in the beginning and 218.2MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 15:39:35,958 INFO L158 Benchmark]: Boogie Preprocessor took 100.39ms. Allocated memory is still 326.1MB. Free memory was 218.2MB in the beginning and 212.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 15:39:35,958 INFO L158 Benchmark]: RCFGBuilder took 1259.07ms. Allocated memory is still 326.1MB. Free memory was 212.4MB in the beginning and 142.7MB in the end (delta: 69.7MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2023-11-17 15:39:35,959 INFO L158 Benchmark]: TraceAbstraction took 554282.20ms. Allocated memory was 326.1MB in the beginning and 392.2MB in the end (delta: 66.1MB). Free memory was 257.5MB in the beginning and 170.4MB in the end (delta: 87.1MB). Peak memory consumption was 268.0MB. Max. memory is 8.0GB. [2023-11-17 15:39:35,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 192.9MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4943.25ms. Allocated memory was 244.3MB in the beginning and 326.1MB in the end (delta: 81.8MB). Free memory was 185.3MB in the beginning and 230.1MB in the end (delta: -44.8MB). Peak memory consumption was 106.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 201.12ms. Allocated memory is still 326.1MB. Free memory was 230.1MB in the beginning and 218.2MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.39ms. Allocated memory is still 326.1MB. Free memory was 218.2MB in the beginning and 212.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1259.07ms. Allocated memory is still 326.1MB. Free memory was 212.4MB in the beginning and 142.7MB in the end (delta: 69.7MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * TraceAbstraction took 554282.20ms. Allocated memory was 326.1MB in the beginning and 392.2MB in the end (delta: 66.1MB). Free memory was 257.5MB in the beginning and 170.4MB in the end (delta: 87.1MB). Peak memory consumption was 268.0MB. 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 848 places, 897 transitions, 1803 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 848 places, 897 transitions, 1803 flow and 252 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 579 for 70849ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown