/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_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:22:37,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:22:37,078 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 15:22:37,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:22:37,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:22:37,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:22:37,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:22:37,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:22:37,096 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:22:37,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:22:37,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:22:37,097 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:22:37,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:22:37,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:22:37,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:22:37,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:22:37,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:22:37,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:22:37,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:22:37,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:22:37,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:22:37,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:22:37,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:22:37,100 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:22:37,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:22:37,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:22:37,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:22:37,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:22:37,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:22:37,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:22:37,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:22:37,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:22:37,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:22:37,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:22:37,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:22:37,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:22:37,324 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:22:37,325 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:22:37,326 INFO L431 ainManager$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_set.i [2023-11-17 15:22:38,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:22:38,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:22:38,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-11-17 15:22:38,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20be295c0/69aee9b730be4eaaa410602751ea3d0c/FLAGe4df83407 [2023-11-17 15:22:39,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20be295c0/69aee9b730be4eaaa410602751ea3d0c [2023-11-17 15:22:39,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:22:39,088 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:22:39,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:22:39,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:22:39,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:22:39,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:22:39" (1/1) ... [2023-11-17 15:22:39,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed16b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:39, skipping insertion in model container [2023-11-17 15:22:39,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:22:39" (1/1) ... [2023-11-17 15:22:39,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:22:39,465 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_set.i[5469,5482] [2023-11-17 15:22:42,370 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:22:42,746 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:42,746 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:42,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:22:42,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:22:42,800 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_set.i[5469,5482] [2023-11-17 15:22:42,865 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 15:22:42,866 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 15:22:42,866 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 15:22:42,866 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 15:22:42,933 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:22:42,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:22:42,977 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:42,978 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:42,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,408 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:43,414 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:22:43,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43 WrapperNode [2023-11-17 15:22:43,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:22:43,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:22:43,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:22:43,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:22:43,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,586 INFO L138 Inliner]: procedures = 1394, calls = 1539, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 804 [2023-11-17 15:22:43,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:22:43,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:22:43,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:22:43,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:22:43,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:22:43,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:22:43,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:22:43,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:22:43,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (1/1) ... [2023-11-17 15:22:43,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:22:43,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:22:43,714 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 15:22:43,723 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 15:22:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:22:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:22:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:22:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:22:43,740 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:22:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:22:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:22:43,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:22:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:22:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:22:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:22:43,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:22:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:22:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:22:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:22:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:22:43,742 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:22:43,742 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 15:22:43,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:22:43,744 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 15:22:44,102 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:22:44,104 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:22:44,686 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:22:44,727 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:22:44,727 INFO L307 CfgBuilder]: Removed 31 assume(true) statements. [2023-11-17 15:22:44,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:22:44 BoogieIcfgContainer [2023-11-17 15:22:44,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:22:44,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:22:44,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:22:44,732 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:22:44,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:22:39" (1/3) ... [2023-11-17 15:22:44,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b92f465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:22:44, skipping insertion in model container [2023-11-17 15:22:44,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:43" (2/3) ... [2023-11-17 15:22:44,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b92f465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:22:44, skipping insertion in model container [2023-11-17 15:22:44,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:22:44" (3/3) ... [2023-11-17 15:22:44,734 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-11-17 15:22:44,745 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:22:44,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-17 15:22:44,745 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:22:44,862 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:22:44,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 884 places, 942 transitions, 1898 flow [2023-11-17 15:22:45,082 INFO L124 PetriNetUnfolderBase]: 65/940 cut-off events. [2023-11-17 15:22:45,082 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:22:45,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 949 conditions, 940 events. 65/940 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1563 event pairs, 0 based on Foata normal form. 0/871 useless extension candidates. Maximal degree in co-relation 784. Up to 9 conditions per place. [2023-11-17 15:22:45,091 INFO L82 GeneralOperation]: Start removeDead. Operand has 884 places, 942 transitions, 1898 flow [2023-11-17 15:22:45,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 873 places, 931 transitions, 1871 flow [2023-11-17 15:22:45,102 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:22:45,111 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 873 places, 931 transitions, 1871 flow [2023-11-17 15:22:45,113 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 873 places, 931 transitions, 1871 flow [2023-11-17 15:22:45,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 873 places, 931 transitions, 1871 flow [2023-11-17 15:22:45,242 INFO L124 PetriNetUnfolderBase]: 65/931 cut-off events. [2023-11-17 15:22:45,243 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:22:45,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 939 conditions, 931 events. 65/931 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1432 event pairs, 0 based on Foata normal form. 0/862 useless extension candidates. Maximal degree in co-relation 784. Up to 9 conditions per place. [2023-11-17 15:22:45,259 INFO L119 LiptonReduction]: Number of co-enabled transitions 35830 [2023-11-17 15:24:09,616 WARN L293 SmtUtils]: Spent 19.37s on a formula simplification that was a NOOP. DAG size: 551 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:24:25,690 WARN L293 SmtUtils]: Spent 16.06s on a formula simplification that was a NOOP. DAG size: 507 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:25:01,900 WARN L293 SmtUtils]: Spent 36.21s on a formula simplification that was a NOOP. DAG size: 551 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:25:32,217 WARN L293 SmtUtils]: Spent 30.31s on a formula simplification that was a NOOP. DAG size: 507 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:27:51,291 WARN L293 SmtUtils]: Spent 2.31m on a formula simplification. DAG size of input: 593 DAG size of output: 591 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:04,195 WARN L293 SmtUtils]: Spent 1.21m 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 15:31:40,699 WARN L293 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 599 DAG size of output: 594 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-11-17 15:32:19,444 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 15:32:19,690 WARN L235 SmtUtils]: Removed 94 from assertion stack [2023-11-17 15:32:19,690 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 15:32:19,691 INFO L158 Benchmark]: Toolchain (without parser) took 580603.06ms. Allocated memory was 296.7MB in the beginning and 573.6MB in the end (delta: 276.8MB). Free memory was 252.1MB in the beginning and 318.4MB in the end (delta: -66.3MB). Peak memory consumption was 397.3MB. Max. memory is 8.0GB. [2023-11-17 15:32:19,692 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 177.2MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:32:19,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4325.10ms. Allocated memory was 296.7MB in the beginning and 463.5MB in the end (delta: 166.7MB). Free memory was 251.7MB in the beginning and 354.2MB in the end (delta: -102.5MB). Peak memory consumption was 150.2MB. Max. memory is 8.0GB. [2023-11-17 15:32:19,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 172.06ms. Allocated memory is still 463.5MB. Free memory was 354.2MB in the beginning and 342.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 15:32:19,693 INFO L158 Benchmark]: Boogie Preprocessor took 87.81ms. Allocated memory is still 463.5MB. Free memory was 342.1MB in the beginning and 335.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 15:32:19,693 INFO L158 Benchmark]: RCFGBuilder took 1052.87ms. Allocated memory is still 463.5MB. Free memory was 335.8MB in the beginning and 254.1MB in the end (delta: 81.7MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-11-17 15:32:19,693 INFO L158 Benchmark]: TraceAbstraction took 574960.58ms. Allocated memory was 463.5MB in the beginning and 573.6MB in the end (delta: 110.1MB). Free memory was 253.5MB in the beginning and 318.4MB in the end (delta: -64.9MB). Peak memory consumption was 231.4MB. Max. memory is 8.0GB. [2023-11-17 15:32:19,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 177.2MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4325.10ms. Allocated memory was 296.7MB in the beginning and 463.5MB in the end (delta: 166.7MB). Free memory was 251.7MB in the beginning and 354.2MB in the end (delta: -102.5MB). Peak memory consumption was 150.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 172.06ms. Allocated memory is still 463.5MB. Free memory was 354.2MB in the beginning and 342.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.81ms. Allocated memory is still 463.5MB. Free memory was 342.1MB in the beginning and 335.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1052.87ms. Allocated memory is still 463.5MB. Free memory was 335.8MB in the beginning and 254.1MB in the end (delta: 81.7MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. * TraceAbstraction took 574960.58ms. Allocated memory was 463.5MB in the beginning and 573.6MB in the end (delta: 110.1MB). Free memory was 253.5MB in the beginning and 318.4MB in the end (delta: -64.9MB). Peak memory consumption was 231.4MB. 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 873 places, 931 transitions, 1871 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 873 places, 931 transitions, 1871 flow and 342 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 576 for 38972ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown