/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 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:33:21,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:33:21,629 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 11:33:21,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:33:21,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:33:21,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:33:21,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:33:21,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:33:21,663 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:33:21,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:33:21,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:33:21,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:33:21,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:33:21,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:33:21,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:33:21,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:33:21,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:33:21,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:33:21,670 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:33:21,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:33:21,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:33:21,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:33:21,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:33:21,671 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:33:21,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:33:21,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:33:21,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:33:21,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:33:21,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:33:21,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:33:21,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:33:21,674 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:33:21,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:33:21,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:33:21,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:33:21,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:33:21,923 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:33:21,924 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:33:21,924 INFO L431 ainManager$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_current.i [2023-11-17 11:33:23,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:33:23,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:33:23,502 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-11-17 11:33:23,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0e5ebd6/f4aa3145afdb4b8eb3fc8944d166a8cb/FLAGad10fd662 [2023-11-17 11:33:23,559 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0e5ebd6/f4aa3145afdb4b8eb3fc8944d166a8cb [2023-11-17 11:33:23,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:33:23,563 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:33:23,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:33:23,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:33:23,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:33:23,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:33:23" (1/1) ... [2023-11-17 11:33:23,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e352898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:23, skipping insertion in model container [2023-11-17 11:33:23,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:33:23" (1/1) ... [2023-11-17 11:33:23,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:33:23,975 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_current.i[5469,5482] [2023-11-17 11:33:26,761 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:33:27,973 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:33:27,974 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:33:28,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:33:28,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:33:28,113 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_current.i[5469,5482] [2023-11-17 11:33:28,251 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 11:33:28,253 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 11:33:28,253 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 11:33:28,253 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 11:33:28,307 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:33:28,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 11:33:28,353 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:33:28,353 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:33:28,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:33:28,786 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,786 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,786 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,787 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,787 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,787 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,787 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:33:28,794 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:33:28,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28 WrapperNode [2023-11-17 11:33:28,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:33:28,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:33:28,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:33:28,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:33:28,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:28,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,023 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 640 [2023-11-17 11:33:29,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:33:29,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:33:29,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:33:29,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:33:29,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,122 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:33:29,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:33:29,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:33:29,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:33:29,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (1/1) ... [2023-11-17 11:33:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:33:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:29,166 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 11:33:29,197 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 11:33:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:33:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 11:33:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:33:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:33:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 11:33:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 11:33:29,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:33:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:33:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-11-17 11:33:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-11-17 11:33:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 11:33:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:33:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:33:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:33:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:33:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:33:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:33:29,210 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 11:33:29,599 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:33:29,602 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:33:30,311 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:33:30,957 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:33:30,957 INFO L307 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-17 11:33:30,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:33:30 BoogieIcfgContainer [2023-11-17 11:33:30,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:33:30,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:33:30,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:33:30,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:33:30,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:33:23" (1/3) ... [2023-11-17 11:33:30,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215a8308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:33:30, skipping insertion in model container [2023-11-17 11:33:30,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:33:28" (2/3) ... [2023-11-17 11:33:30,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215a8308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:33:30, skipping insertion in model container [2023-11-17 11:33:30,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:33:30" (3/3) ... [2023-11-17 11:33:30,966 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_current.i [2023-11-17 11:33:30,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:33:30,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-17 11:33:30,982 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:33:31,037 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 11:33:31,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 72 transitions, 158 flow [2023-11-17 11:33:31,100 INFO L124 PetriNetUnfolderBase]: 23/70 cut-off events. [2023-11-17 11:33:31,101 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:33:31,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 70 events. 23/70 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 146 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 60. Up to 5 conditions per place. [2023-11-17 11:33:31,106 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 72 transitions, 158 flow [2023-11-17 11:33:31,110 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 68 transitions, 145 flow [2023-11-17 11:33:31,113 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:33:31,123 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 68 transitions, 145 flow [2023-11-17 11:33:31,126 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 68 transitions, 145 flow [2023-11-17 11:33:31,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 68 transitions, 145 flow [2023-11-17 11:33:31,149 INFO L124 PetriNetUnfolderBase]: 23/68 cut-off events. [2023-11-17 11:33:31,149 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 11:33:31,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 68 events. 23/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 142 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 60. Up to 5 conditions per place. [2023-11-17 11:33:31,150 INFO L119 LiptonReduction]: Number of co-enabled transitions 180 [2023-11-17 11:33:45,139 INFO L134 LiptonReduction]: Checked pairs total: 318 [2023-11-17 11:33:45,139 INFO L136 LiptonReduction]: Total number of compositions: 59 [2023-11-17 11:33:45,152 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 11:33:45,158 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d9d72e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 11:33:45,158 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-17 11:33:45,166 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 11:33:45,166 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 11:33:45,166 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:45,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:45,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 11:33:45,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-11-17 11:33:45,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:45,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1748081, now seen corresponding path program 1 times [2023-11-17 11:33:45,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:45,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431621278] [2023-11-17 11:33:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 11:33:45,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:45,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431621278] [2023-11-17 11:33:45,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431621278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:45,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:45,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 11:33:45,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800771694] [2023-11-17 11:33:45,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:45,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 11:33:45,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:45,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 11:33:45,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 11:33:45,702 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 131 [2023-11-17 11:33:45,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 43 transitions, 95 flow. Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:45,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:45,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 131 [2023-11-17 11:33:45,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:45,918 INFO L124 PetriNetUnfolderBase]: 25/59 cut-off events. [2023-11-17 11:33:45,918 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-17 11:33:45,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 59 events. 25/59 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 124 event pairs, 15 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 66. Up to 60 conditions per place. [2023-11-17 11:33:45,919 INFO L140 encePairwiseOnDemand]: 119/131 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2023-11-17 11:33:45,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 31 transitions, 133 flow [2023-11-17 11:33:45,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 11:33:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 11:33:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 73 transitions. [2023-11-17 11:33:45,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2786259541984733 [2023-11-17 11:33:45,929 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 73 transitions. [2023-11-17 11:33:45,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 73 transitions. [2023-11-17 11:33:45,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:45,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 73 transitions. [2023-11-17 11:33:45,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:45,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:45,937 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:45,938 INFO L175 Difference]: Start difference. First operand has 31 places, 43 transitions, 95 flow. Second operand 2 states and 73 transitions. [2023-11-17 11:33:45,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 31 transitions, 133 flow [2023-11-17 11:33:45,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 31 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 11:33:45,941 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-11-17 11:33:45,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2023-11-17 11:33:45,946 INFO L281 CegarLoopForPetriNet]: 31 programPoint places, -5 predicate places. [2023-11-17 11:33:45,946 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-11-17 11:33:45,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:45,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-17 11:33:45,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-11-17 11:33:45,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2023-11-17 11:33:45,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-17 11:33:45,949 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-11-17 11:33:45,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-11-17 11:33:45,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-11-17 11:33:45,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 11:33:45,950 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 11:33:45,955 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 11:33:45,955 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 11:33:45,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 11:33:45 BasicIcfg [2023-11-17 11:33:45,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 11:33:45,960 INFO L158 Benchmark]: Toolchain (without parser) took 22396.73ms. Allocated memory was 282.1MB in the beginning and 472.9MB in the end (delta: 190.8MB). Free memory was 220.7MB in the beginning and 151.4MB in the end (delta: 69.2MB). Peak memory consumption was 260.6MB. Max. memory is 8.0GB. [2023-11-17 11:33:45,960 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 184.5MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:33:45,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5229.63ms. Allocated memory was 282.1MB in the beginning and 379.6MB in the end (delta: 97.5MB). Free memory was 220.1MB in the beginning and 252.0MB in the end (delta: -31.8MB). Peak memory consumption was 151.7MB. Max. memory is 8.0GB. [2023-11-17 11:33:45,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 227.78ms. Allocated memory is still 379.6MB. Free memory was 252.0MB in the beginning and 241.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-11-17 11:33:45,961 INFO L158 Benchmark]: Boogie Preprocessor took 109.15ms. Allocated memory is still 379.6MB. Free memory was 241.0MB in the beginning and 235.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 11:33:45,962 INFO L158 Benchmark]: RCFGBuilder took 1825.28ms. Allocated memory is still 379.6MB. Free memory was 235.1MB in the beginning and 238.9MB in the end (delta: -3.7MB). Peak memory consumption was 114.3MB. Max. memory is 8.0GB. [2023-11-17 11:33:45,962 INFO L158 Benchmark]: TraceAbstraction took 14998.28ms. Allocated memory was 379.6MB in the beginning and 472.9MB in the end (delta: 93.3MB). Free memory was 238.3MB in the beginning and 151.4MB in the end (delta: 86.9MB). Peak memory consumption was 180.2MB. Max. memory is 8.0GB. [2023-11-17 11:33:45,964 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 184.5MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5229.63ms. Allocated memory was 282.1MB in the beginning and 379.6MB in the end (delta: 97.5MB). Free memory was 220.1MB in the beginning and 252.0MB in the end (delta: -31.8MB). Peak memory consumption was 151.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 227.78ms. Allocated memory is still 379.6MB. Free memory was 252.0MB in the beginning and 241.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 109.15ms. Allocated memory is still 379.6MB. Free memory was 241.0MB in the beginning and 235.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1825.28ms. Allocated memory is still 379.6MB. Free memory was 235.1MB in the beginning and 238.9MB in the end (delta: -3.7MB). Peak memory consumption was 114.3MB. Max. memory is 8.0GB. * TraceAbstraction took 14998.28ms. Allocated memory was 379.6MB in the beginning and 472.9MB in the end (delta: 93.3MB). Free memory was 238.3MB in the beginning and 151.4MB in the end (delta: 86.9MB). Peak memory consumption was 180.2MB. 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: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.0s, 52 PlacesBefore, 31 PlacesAfterwards, 68 TransitionsBefore, 43 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 59 TotalNumberOfCompositions, 318 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 251, independent: 236, independent conditional: 0, independent unconditional: 236, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 133, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 133, independent: 117, independent conditional: 0, independent unconditional: 117, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1447, independent: 18, independent conditional: 0, independent unconditional: 18, dependent: 1413, dependent conditional: 0, dependent unconditional: 1413, unknown: 17, unknown conditional: 0, unknown unconditional: 17] ], Cache Queries: [ total: 251, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 135, unknown conditional: 0, unknown unconditional: 135] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 65 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 11:33:45,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...