/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_current_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:27:44,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:27:44,664 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 15:27:44,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:27:44,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:27:44,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:27:44,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:27:44,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:27:44,695 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:27:44,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:27:44,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:27:44,699 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:27:44,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:27:44,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:27:44,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:27:44,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:27:44,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:27:44,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:27:44,700 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:27:44,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:27:44,701 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:27:44,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:27:44,701 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:27:44,702 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:27:44,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:27:44,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:27:44,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:27:44,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:27:44,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:27:44,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:27:44,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:27:44,704 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:27:44,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:27:44,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:27:44,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:27:44,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:27:44,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:27:44,885 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:27:44,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-11-17 15:27:45,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:27:46,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:27:46,195 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-11-17 15:27:46,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8839e50/4c3fe7d776a245648466de1629972a88/FLAG7984fb2bb [2023-11-17 15:27:46,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e8839e50/4c3fe7d776a245648466de1629972a88 [2023-11-17 15:27:46,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:27:46,242 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:27:46,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:27:46,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:27:46,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:27:46,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:27:46" (1/1) ... [2023-11-17 15:27:46,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431ac6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:46, skipping insertion in model container [2023-11-17 15:27:46,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:27:46" (1/1) ... [2023-11-17 15:27:46,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:27:46,582 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_current_pc8736x_gpio_get.i[5469,5482] [2023-11-17 15:27:49,134 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:27:49,500 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:27:49,502 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:27:49,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:27:49,580 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:27:49,597 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_current_pc8736x_gpio_get.i[5469,5482] [2023-11-17 15:27:49,655 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 15:27:49,656 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 15:27:49,657 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 15:27:49,657 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 15:27:49,706 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:27:49,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:27:49,748 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:27:49,748 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:27:49,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:27:50,118 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,119 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,119 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,119 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,119 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,119 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,119 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:27:50,124 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:27:50,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50 WrapperNode [2023-11-17 15:27:50,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:27:50,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:27:50,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:27:50,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:27:50,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,280 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 47, statements flattened = 629 [2023-11-17 15:27:50,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:27:50,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:27:50,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:27:50,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:27:50,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:27:50,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:27:50,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:27:50,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:27:50,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (1/1) ... [2023-11-17 15:27:50,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:27:50,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:27:50,343 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 15:27:50,367 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 15:27:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 15:27:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:27:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 15:27:50,387 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 15:27:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:27:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:27:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:27:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:27:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:27:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:27:50,390 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 15:27:50,765 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:27:50,766 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:27:51,368 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:27:51,384 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:27:51,389 INFO L307 CfgBuilder]: Removed 21 assume(true) statements. [2023-11-17 15:27:51,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:27:51 BoogieIcfgContainer [2023-11-17 15:27:51,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:27:51,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:27:51,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:27:51,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:27:51,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:27:46" (1/3) ... [2023-11-17 15:27:51,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155addb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:27:51, skipping insertion in model container [2023-11-17 15:27:51,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:27:50" (2/3) ... [2023-11-17 15:27:51,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1155addb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:27:51, skipping insertion in model container [2023-11-17 15:27:51,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:27:51" (3/3) ... [2023-11-17 15:27:51,398 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-11-17 15:27:51,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:27:51,410 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 15:27:51,410 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:27:51,481 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:27:51,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 732 places, 767 transitions, 1548 flow [2023-11-17 15:27:51,663 INFO L124 PetriNetUnfolderBase]: 42/765 cut-off events. [2023-11-17 15:27:51,663 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:27:51,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 765 events. 42/765 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 831 event pairs, 0 based on Foata normal form. 0/721 useless extension candidates. Maximal degree in co-relation 713. Up to 9 conditions per place. [2023-11-17 15:27:51,671 INFO L82 GeneralOperation]: Start removeDead. Operand has 732 places, 767 transitions, 1548 flow [2023-11-17 15:27:51,682 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 721 places, 756 transitions, 1521 flow [2023-11-17 15:27:51,685 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:27:51,698 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 721 places, 756 transitions, 1521 flow [2023-11-17 15:27:51,701 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 721 places, 756 transitions, 1521 flow [2023-11-17 15:27:51,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 721 places, 756 transitions, 1521 flow [2023-11-17 15:27:51,794 INFO L124 PetriNetUnfolderBase]: 42/756 cut-off events. [2023-11-17 15:27:51,795 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:27:51,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 756 events. 42/756 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 768 event pairs, 0 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 713. Up to 9 conditions per place. [2023-11-17 15:27:51,800 INFO L119 LiptonReduction]: Number of co-enabled transitions 4404 [2023-11-17 15:28:51,569 WARN L293 SmtUtils]: Spent 11.92s on a formula simplification that was a NOOP. DAG size: 377 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:28:58,853 WARN L293 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 311 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:08,989 WARN L293 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 380 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:29:16,708 WARN L293 SmtUtils]: Spent 7.71s on a formula simplification that was a NOOP. DAG size: 314 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:30:59,272 WARN L293 SmtUtils]: Spent 1.70m on a formula simplification. DAG size of input: 575 DAG size of output: 573 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:31:53,171 WARN L293 SmtUtils]: Spent 53.90s 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 15:33:53,598 WARN L293 SmtUtils]: Spent 2.01m on a formula simplification. DAG size of input: 578 DAG size of output: 576 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:34:57,827 WARN L293 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 576 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:35:00,562 INFO L134 LiptonReduction]: Checked pairs total: 3523 [2023-11-17 15:35:00,562 INFO L136 LiptonReduction]: Total number of compositions: 833 [2023-11-17 15:35:00,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 15:35:00,574 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;@1a563a8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 15:35:00,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 15:35:00,580 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 15:35:00,580 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 15:35:00,580 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:35:00,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:35:00,580 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 15:35:00,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 15:35:00,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:35:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash 2665551, now seen corresponding path program 1 times [2023-11-17 15:35:00,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:35:00,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847173198] [2023-11-17 15:35:00,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:35:00,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:35:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:35:00,900 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 15:35:00,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:35:00,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847173198] [2023-11-17 15:35:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847173198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:35:00,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:35:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 15:35:00,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126566465] [2023-11-17 15:35:00,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:35:00,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 15:35:00,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:35:00,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 15:35:00,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 15:35:00,928 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 1600 [2023-11-17 15:35:00,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 42 transitions, 93 flow. Second operand has 2 states, 2 states have (on average 738.5) internal successors, (1477), 2 states have internal predecessors, (1477), 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 15:35:00,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:35:00,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 1600 [2023-11-17 15:35:00,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:35:01,085 INFO L124 PetriNetUnfolderBase]: 25/59 cut-off events. [2023-11-17 15:35:01,085 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-17 15:35:01,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 59 events. 25/59 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 121 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 15:35:01,087 INFO L140 encePairwiseOnDemand]: 1589/1600 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2023-11-17 15:35:01,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 31 transitions, 133 flow [2023-11-17 15:35:01,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 15:35:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 15:35:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1516 transitions. [2023-11-17 15:35:01,106 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47375 [2023-11-17 15:35:01,106 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1516 transitions. [2023-11-17 15:35:01,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1516 transitions. [2023-11-17 15:35:01,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:35:01,112 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1516 transitions. [2023-11-17 15:35:01,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 758.0) internal successors, (1516), 2 states have internal predecessors, (1516), 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 15:35:01,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1600.0) internal successors, (4800), 3 states have internal predecessors, (4800), 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 15:35:01,128 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1600.0) internal successors, (4800), 3 states have internal predecessors, (4800), 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 15:35:01,130 INFO L175 Difference]: Start difference. First operand has 30 places, 42 transitions, 93 flow. Second operand 2 states and 1516 transitions. [2023-11-17 15:35:01,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 31 transitions, 133 flow [2023-11-17 15:35:01,133 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 15:35:01,133 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-11-17 15:35:01,134 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1600, 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 15:35:01,138 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -4 predicate places. [2023-11-17 15:35:01,138 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-11-17 15:35:01,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 738.5) internal successors, (1477), 2 states have internal predecessors, (1477), 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 15:35:01,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-17 15:35:01,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-11-17 15:35:01,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-17 15:35:01,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-11-17 15:35:01,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-17 15:35:01,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 15:35:01,143 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 15:35:01,155 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 15:35:01,155 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 15:35:01,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:35:01 BasicIcfg [2023-11-17 15:35:01,162 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 15:35:01,163 INFO L158 Benchmark]: Toolchain (without parser) took 434920.80ms. Allocated memory was 305.1MB in the beginning and 533.7MB in the end (delta: 228.6MB). Free memory was 255.1MB in the beginning and 329.6MB in the end (delta: -74.5MB). Peak memory consumption was 154.4MB. Max. memory is 8.0GB. [2023-11-17 15:35:01,164 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:35:01,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3880.58ms. Allocated memory is still 305.1MB. Free memory was 255.1MB in the beginning and 147.6MB in the end (delta: 107.5MB). Peak memory consumption was 134.5MB. Max. memory is 8.0GB. [2023-11-17 15:35:01,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.15ms. Allocated memory is still 305.1MB. Free memory was 147.6MB in the beginning and 136.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-11-17 15:35:01,168 INFO L158 Benchmark]: Boogie Preprocessor took 40.30ms. Allocated memory is still 305.1MB. Free memory was 136.6MB in the beginning and 130.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 15:35:01,169 INFO L158 Benchmark]: RCFGBuilder took 1070.51ms. Allocated memory was 305.1MB in the beginning and 444.6MB in the end (delta: 139.5MB). Free memory was 130.8MB in the beginning and 324.5MB in the end (delta: -193.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-11-17 15:35:01,169 INFO L158 Benchmark]: TraceAbstraction took 429768.81ms. Allocated memory was 444.6MB in the beginning and 533.7MB in the end (delta: 89.1MB). Free memory was 323.5MB in the beginning and 329.6MB in the end (delta: -6.1MB). Peak memory consumption was 82.5MB. Max. memory is 8.0GB. [2023-11-17 15:35:01,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3880.58ms. Allocated memory is still 305.1MB. Free memory was 255.1MB in the beginning and 147.6MB in the end (delta: 107.5MB). Peak memory consumption was 134.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 155.15ms. Allocated memory is still 305.1MB. Free memory was 147.6MB in the beginning and 136.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.30ms. Allocated memory is still 305.1MB. Free memory was 136.6MB in the beginning and 130.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1070.51ms. Allocated memory was 305.1MB in the beginning and 444.6MB in the end (delta: 139.5MB). Free memory was 130.8MB in the beginning and 324.5MB in the end (delta: -193.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 429768.81ms. Allocated memory was 444.6MB in the beginning and 533.7MB in the end (delta: 89.1MB). Free memory was 323.5MB in the beginning and 329.6MB in the end (delta: -6.1MB). Peak memory consumption was 82.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 3227]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] - GenericResultAtLocation [Line: 5814]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.9s, 721 PlacesBefore, 30 PlacesAfterwards, 756 TransitionsBefore, 42 TransitionsAfterwards, 4404 CoEnabledTransitionPairs, 11 FixpointIterations, 632 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 87 TrivialYvCompositions, 13 ConcurrentYvCompositions, 23 ChoiceCompositions, 833 TotalNumberOfCompositions, 3523 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3479, independent: 3470, independent conditional: 0, independent unconditional: 3470, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3009, independent: 3001, independent conditional: 0, independent unconditional: 3001, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3009, independent: 3001, independent conditional: 0, independent unconditional: 3001, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3479, independent: 469, independent conditional: 0, independent unconditional: 469, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 3009, unknown conditional: 0, unknown unconditional: 3009] , Statistics on independence cache: Total cache size (in pairs): 15, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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, 805 locations, 5 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: 429.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 429.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s 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=93occurred 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, 0.1s 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 15:35:01,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...