/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_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:21:40,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:21:40,407 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 15:21:40,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:21:40,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:21:40,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:21:40,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:21:40,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:21:40,444 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:21:40,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:21:40,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:21:40,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:21:40,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:21:40,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:21:40,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:21:40,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:21:40,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:21:40,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:21:40,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:21:40,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:21:40,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:21:40,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:21:40,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:21:40,453 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:21:40,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:21:40,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:21:40,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:21:40,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:21:40,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:21:40,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:21:40,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:21:40,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:21:40,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:21:40,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:21:40,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:21:40,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:21:40,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:21:40,742 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:21:40,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-17 15:21:41,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:21:42,428 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:21:42,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-17 15:21:42,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524094578/a8f4514301634acf9929c35c95de678f/FLAG117d8e378 [2023-11-17 15:21:42,494 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524094578/a8f4514301634acf9929c35c95de678f [2023-11-17 15:21:42,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:21:42,498 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:21:42,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:21:42,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:21:42,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:21:42,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:21:42" (1/1) ... [2023-11-17 15:21:42,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ae29fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:42, skipping insertion in model container [2023-11-17 15:21:42,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:21:42" (1/1) ... [2023-11-17 15:21:42,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:21:43,047 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_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-17 15:21:46,933 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:21:47,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:21:47,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:21:47,449 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_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-11-17 15:21:47,545 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 15:21:47,547 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 15:21:47,547 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 15:21:47,547 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 15:21:47,624 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:21:47,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:21:47,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:21:48,279 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,280 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,280 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,280 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,280 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,280 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,281 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:48,288 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:21:48,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48 WrapperNode [2023-11-17 15:21:48,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:21:48,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:21:48,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:21:48,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:21:48,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,456 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 322 [2023-11-17 15:21:48,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:21:48,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:21:48,458 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:21:48,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:21:48,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:21:48,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:21:48,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:21:48,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:21:48,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (1/1) ... [2023-11-17 15:21:48,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:21:48,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:21:48,578 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 15:21:48,602 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 15:21:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:21:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:21:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-17 15:21:48,613 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-11-17 15:21:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:21:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:21:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:21:48,616 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 15:21:49,024 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:21:49,026 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:21:49,409 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:21:49,474 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:21:49,474 INFO L307 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-17 15:21:49,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:21:49 BoogieIcfgContainer [2023-11-17 15:21:49,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:21:49,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:21:49,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:21:49,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:21:49,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:21:42" (1/3) ... [2023-11-17 15:21:49,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eebdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:21:49, skipping insertion in model container [2023-11-17 15:21:49,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:48" (2/3) ... [2023-11-17 15:21:49,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eebdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:21:49, skipping insertion in model container [2023-11-17 15:21:49,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:21:49" (3/3) ... [2023-11-17 15:21:49,486 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-11-17 15:21:49,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:21:49,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 15:21:49,504 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:21:49,646 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:21:49,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 367 transitions, 748 flow [2023-11-17 15:21:49,881 INFO L124 PetriNetUnfolderBase]: 11/365 cut-off events. [2023-11-17 15:21:49,882 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:21:49,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 365 events. 11/365 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 352 event pairs, 0 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 301. Up to 4 conditions per place. [2023-11-17 15:21:49,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 367 transitions, 748 flow [2023-11-17 15:21:49,896 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 352 places, 356 transitions, 721 flow [2023-11-17 15:21:49,900 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:21:49,914 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 356 transitions, 721 flow [2023-11-17 15:21:49,918 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 356 transitions, 721 flow [2023-11-17 15:21:49,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 356 transitions, 721 flow [2023-11-17 15:21:50,000 INFO L124 PetriNetUnfolderBase]: 11/356 cut-off events. [2023-11-17 15:21:50,000 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:21:50,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 356 events. 11/356 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 332 event pairs, 0 based on Foata normal form. 0/344 useless extension candidates. Maximal degree in co-relation 301. Up to 4 conditions per place. [2023-11-17 15:21:50,013 INFO L119 LiptonReduction]: Number of co-enabled transitions 12518 [2023-11-17 15:22:39,916 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 384 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:22:48,529 WARN L293 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 384 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:22:58,519 WARN L293 SmtUtils]: Spent 9.99s on a formula simplification that was a NOOP. DAG size: 384 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:23:08,398 WARN L293 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 384 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:24:14,162 WARN L293 SmtUtils]: Spent 1.07m on a formula simplification. DAG size of input: 468 DAG size of output: 464 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:24:49,135 WARN L293 SmtUtils]: Spent 34.97s on a formula simplification that was a NOOP. DAG size: 448 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:25:56,473 WARN L293 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 471 DAG size of output: 467 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:26:18,257 WARN L293 SmtUtils]: Spent 21.78s on a formula simplification that was a NOOP. DAG size: 451 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:26:32,358 WARN L293 SmtUtils]: Spent 14.10s on a formula simplification that was a NOOP. DAG size: 422 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:26:52,686 WARN L293 SmtUtils]: Spent 20.33s on a formula simplification that was a NOOP. DAG size: 412 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:27:08,750 WARN L293 SmtUtils]: Spent 16.06s on a formula simplification that was a NOOP. DAG size: 425 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:27:19,138 WARN L293 SmtUtils]: Spent 10.39s on a formula simplification that was a NOOP. DAG size: 415 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:28:29,158 WARN L293 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 470 DAG size of output: 466 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:28:43,949 WARN L293 SmtUtils]: Spent 14.79s on a formula simplification that was a NOOP. DAG size: 450 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:30,019 WARN L293 SmtUtils]: Spent 46.07s on a formula simplification. DAG size of input: 473 DAG size of output: 469 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:30:05,422 WARN L293 SmtUtils]: Spent 35.40s on a formula simplification that was a NOOP. DAG size: 453 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-11-17 15:31:09,072 WARN L235 SmtUtils]: Removed 44 from assertion stack [2023-11-17 15:31:09,073 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 15:31:09,074 INFO L158 Benchmark]: Toolchain (without parser) took 566575.37ms. Allocated memory was 204.5MB in the beginning and 329.3MB in the end (delta: 124.8MB). Free memory was 149.4MB in the beginning and 214.7MB in the end (delta: -65.3MB). Peak memory consumption was 222.8MB. Max. memory is 8.0GB. [2023-11-17 15:31:09,074 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 204.5MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:31:09,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5788.22ms. Allocated memory was 204.5MB in the beginning and 273.7MB in the end (delta: 69.2MB). Free memory was 149.1MB in the beginning and 160.6MB in the end (delta: -11.6MB). Peak memory consumption was 107.4MB. Max. memory is 8.0GB. [2023-11-17 15:31:09,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 167.47ms. Allocated memory is still 273.7MB. Free memory was 160.6MB in the beginning and 151.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-11-17 15:31:09,075 INFO L158 Benchmark]: Boogie Preprocessor took 81.14ms. Allocated memory is still 273.7MB. Free memory was 151.2MB in the beginning and 147.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-11-17 15:31:09,076 INFO L158 Benchmark]: RCFGBuilder took 936.52ms. Allocated memory is still 273.7MB. Free memory was 147.0MB in the beginning and 102.4MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-11-17 15:31:09,077 INFO L158 Benchmark]: TraceAbstraction took 559594.24ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 101.9MB in the beginning and 214.7MB in the end (delta: -112.8MB). Peak memory consumption was 105.4MB. Max. memory is 8.0GB. [2023-11-17 15:31:09,079 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 204.5MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5788.22ms. Allocated memory was 204.5MB in the beginning and 273.7MB in the end (delta: 69.2MB). Free memory was 149.1MB in the beginning and 160.6MB in the end (delta: -11.6MB). Peak memory consumption was 107.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 167.47ms. Allocated memory is still 273.7MB. Free memory was 160.6MB in the beginning and 151.2MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.14ms. Allocated memory is still 273.7MB. Free memory was 151.2MB in the beginning and 147.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 936.52ms. Allocated memory is still 273.7MB. Free memory was 147.0MB in the beginning and 102.4MB in the end (delta: 44.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 559594.24ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 101.9MB in the beginning and 214.7MB in the end (delta: -112.8MB). Peak memory consumption was 105.4MB. 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 352 places, 356 transitions, 721 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 352 places, 356 transitions, 721 flow and 114 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 466 for 63642ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown