/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:22:13,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:22:13,966 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 15:22:13,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:22:13,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:22:13,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:22:13,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:22:13,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:22:13,999 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:22:14,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:22:14,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:22:14,002 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:22:14,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:22:14,004 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:22:14,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:22:14,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:22:14,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:22:14,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:22:14,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:22:14,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:22:14,005 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:22:14,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:22:14,006 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:22:14,006 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:22:14,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:22:14,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:22:14,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:22:14,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:22:14,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:22:14,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:22:14,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:22:14,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:22:14,009 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:22:14,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:22:14,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:22:14,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:22:14,220 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:22:14,220 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:22:14,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-11-17 15:22:15,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:22:15,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:22:15,622 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-11-17 15:22:15,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88959ef7b/e0804872163e46d48f358931287821b8/FLAGefff445d5 [2023-11-17 15:22:15,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88959ef7b/e0804872163e46d48f358931287821b8 [2023-11-17 15:22:15,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:22:15,678 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:22:15,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:22:15,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:22:15,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:22:15,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:22:15" (1/1) ... [2023-11-17 15:22:15,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b6c803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:15, skipping insertion in model container [2023-11-17 15:22:15,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:22:15" (1/1) ... [2023-11-17 15:22:15,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:22:16,098 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-11-17 15:22:18,919 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:22:19,326 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:19,329 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:19,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:22:19,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:22:19,429 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-11-17 15:22:19,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:22:19,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:22:19,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:22:19,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 15:22:19,548 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 15:22:19,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 15:22:19,586 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:19,587 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 15:22:19,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,992 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:22:19,997 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:22:19,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19 WrapperNode [2023-11-17 15:22:19,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:22:19,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:22:19,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:22:19,999 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:22:20,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,149 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 727 [2023-11-17 15:22:20,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:22:20,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:22:20,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:22:20,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:22:20,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:22:20,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:22:20,201 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:22:20,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:22:20,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (1/1) ... [2023-11-17 15:22:20,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:22:20,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:22:20,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:22:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:22:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 15:22:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 15:22:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:22:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:22:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:22:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:22:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 15:22:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:22:20,255 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:22:20,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 15:22:20,611 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:22:20,613 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:22:21,269 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:22:21,291 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:22:21,292 INFO L307 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-17 15:22:21,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:22:21 BoogieIcfgContainer [2023-11-17 15:22:21,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:22:21,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:22:21,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:22:21,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:22:21,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:22:15" (1/3) ... [2023-11-17 15:22:21,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ed0910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:22:21, skipping insertion in model container [2023-11-17 15:22:21,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:22:19" (2/3) ... [2023-11-17 15:22:21,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ed0910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:22:21, skipping insertion in model container [2023-11-17 15:22:21,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:22:21" (3/3) ... [2023-11-17 15:22:21,301 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-11-17 15:22:21,313 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:22:21,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-17 15:22:21,313 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:22:21,413 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 15:22:21,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 843 places, 891 transitions, 1796 flow [2023-11-17 15:22:21,668 INFO L124 PetriNetUnfolderBase]: 55/889 cut-off events. [2023-11-17 15:22:21,669 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:22:21,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 889 events. 55/889 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1203 event pairs, 0 based on Foata normal form. 0/831 useless extension candidates. Maximal degree in co-relation 713. Up to 9 conditions per place. [2023-11-17 15:22:21,677 INFO L82 GeneralOperation]: Start removeDead. Operand has 843 places, 891 transitions, 1796 flow [2023-11-17 15:22:21,685 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 832 places, 880 transitions, 1769 flow [2023-11-17 15:22:21,688 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:22:21,695 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 880 transitions, 1769 flow [2023-11-17 15:22:21,697 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 880 transitions, 1769 flow [2023-11-17 15:22:21,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 832 places, 880 transitions, 1769 flow [2023-11-17 15:22:21,817 INFO L124 PetriNetUnfolderBase]: 55/880 cut-off events. [2023-11-17 15:22:21,818 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:22:21,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 888 conditions, 880 events. 55/880 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1130 event pairs, 0 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 713. Up to 9 conditions per place. [2023-11-17 15:22:21,827 INFO L119 LiptonReduction]: Number of co-enabled transitions 16308 [2023-11-17 15:23:24,227 WARN L293 SmtUtils]: Spent 11.11s on a formula simplification. DAG size of input: 278 DAG size of output: 275 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:23:29,859 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 271 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:23:40,600 WARN L293 SmtUtils]: Spent 10.74s on a formula simplification. DAG size of input: 281 DAG size of output: 278 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:23:45,649 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 274 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:24:32,762 WARN L293 SmtUtils]: Spent 34.81s on a formula simplification. DAG size of input: 661 DAG size of output: 659 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:24:46,933 WARN L293 SmtUtils]: Spent 14.15s 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 15:27:09,283 WARN L293 SmtUtils]: Spent 2.37m on a formula simplification. DAG size of input: 664 DAG size of output: 662 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-17 15:27:36,139 WARN L293 SmtUtils]: Spent 26.84s 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 15:27:38,357 INFO L134 LiptonReduction]: Checked pairs total: 11930 [2023-11-17 15:27:38,358 INFO L136 LiptonReduction]: Total number of compositions: 968 [2023-11-17 15:27:38,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 15:27:38,392 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;@2f7c7d83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 15:27:38,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-17 15:27:38,398 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 15:27:38,398 INFO L124 PetriNetUnfolderBase]: 6/12 cut-off events. [2023-11-17 15:27:38,399 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 15:27:38,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:27:38,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 15:27:38,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:27:38,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:27:38,404 INFO L85 PathProgramCache]: Analyzing trace with hash 3227870, now seen corresponding path program 1 times [2023-11-17 15:27:38,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:27:38,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468812829] [2023-11-17 15:27:38,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:27:38,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:27:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:27:38,748 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 15:27:38,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:27:38,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468812829] [2023-11-17 15:27:38,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468812829] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:27:38,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:27:38,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 15:27:38,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438069960] [2023-11-17 15:27:38,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:27:38,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 15:27:38,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:27:38,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 15:27:38,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 15:27:38,778 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 853 out of 1859 [2023-11-17 15:27:38,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 49 transitions, 107 flow. Second operand has 2 states, 2 states have (on average 854.5) internal successors, (1709), 2 states have internal predecessors, (1709), 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 15:27:38,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:27:38,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 853 of 1859 [2023-11-17 15:27:38,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:27:38,950 INFO L124 PetriNetUnfolderBase]: 61/127 cut-off events. [2023-11-17 15:27:38,950 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-17 15:27:38,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 127 events. 61/127 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 331 event pairs, 51 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 170. Up to 128 conditions per place. [2023-11-17 15:27:38,952 INFO L140 encePairwiseOnDemand]: 1845/1859 looper letters, 34 selfloop transitions, 0 changer transitions 1/35 dead transitions. [2023-11-17 15:27:38,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-11-17 15:27:38,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 15:27:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 15:27:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1755 transitions. [2023-11-17 15:27:38,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47202797202797203 [2023-11-17 15:27:38,971 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1755 transitions. [2023-11-17 15:27:38,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1755 transitions. [2023-11-17 15:27:38,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:27:38,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1755 transitions. [2023-11-17 15:27:38,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 877.5) internal successors, (1755), 2 states have internal predecessors, (1755), 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 15:27:38,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1859.0) internal successors, (5577), 3 states have internal predecessors, (5577), 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 15:27:38,992 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1859.0) internal successors, (5577), 3 states have internal predecessors, (5577), 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 15:27:38,994 INFO L175 Difference]: Start difference. First operand has 34 places, 49 transitions, 107 flow. Second operand 2 states and 1755 transitions. [2023-11-17 15:27:38,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-11-17 15:27:38,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 15:27:38,998 INFO L231 Difference]: Finished difference. Result has 30 places, 34 transitions, 72 flow [2023-11-17 15:27:38,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1859, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=72, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2023-11-17 15:27:39,001 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -4 predicate places. [2023-11-17 15:27:39,002 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 72 flow [2023-11-17 15:27:39,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 854.5) internal successors, (1709), 2 states have internal predecessors, (1709), 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 15:27:39,003 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:27:39,003 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:27:39,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 15:27:39,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:27:39,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:27:39,007 INFO L85 PathProgramCache]: Analyzing trace with hash -328674410, now seen corresponding path program 1 times [2023-11-17 15:27:39,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:27:39,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328738432] [2023-11-17 15:27:39,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:27:39,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:27:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:27:39,528 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 15:27:39,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:27:39,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328738432] [2023-11-17 15:27:39,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328738432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:27:39,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 15:27:39,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 15:27:39,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055182451] [2023-11-17 15:27:39,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:27:39,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:27:39,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:27:39,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:27:39,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 15:27:39,534 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 827 out of 1859 [2023-11-17 15:27:39,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 830.0) internal successors, (2490), 3 states have internal predecessors, (2490), 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 15:27:39,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:27:39,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 827 of 1859 [2023-11-17 15:27:39,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:27:39,736 INFO L124 PetriNetUnfolderBase]: 52/111 cut-off events. [2023-11-17 15:27:39,737 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-17 15:27:39,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 111 events. 52/111 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 266 event pairs, 42 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 229. Up to 111 conditions per place. [2023-11-17 15:27:39,737 INFO L140 encePairwiseOnDemand]: 1855/1859 looper letters, 33 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2023-11-17 15:27:39,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 35 transitions, 144 flow [2023-11-17 15:27:39,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:27:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:27:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2518 transitions. [2023-11-17 15:27:39,742 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45149722072799 [2023-11-17 15:27:39,742 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2518 transitions. [2023-11-17 15:27:39,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2518 transitions. [2023-11-17 15:27:39,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:27:39,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2518 transitions. [2023-11-17 15:27:39,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 839.3333333333334) internal successors, (2518), 3 states have internal predecessors, (2518), 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 15:27:39,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1859.0) internal successors, (7436), 4 states have internal predecessors, (7436), 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 15:27:39,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1859.0) internal successors, (7436), 4 states have internal predecessors, (7436), 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 15:27:39,756 INFO L175 Difference]: Start difference. First operand has 30 places, 34 transitions, 72 flow. Second operand 3 states and 2518 transitions. [2023-11-17 15:27:39,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 35 transitions, 144 flow [2023-11-17 15:27:39,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 15:27:39,757 INFO L231 Difference]: Finished difference. Result has 32 places, 35 transitions, 86 flow [2023-11-17 15:27:39,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1859, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=32, PETRI_TRANSITIONS=35} [2023-11-17 15:27:39,758 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2023-11-17 15:27:39,758 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 35 transitions, 86 flow [2023-11-17 15:27:39,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 830.0) internal successors, (2490), 3 states have internal predecessors, (2490), 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 15:27:39,760 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 15:27:39,760 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 15:27:39,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 15:27:39,760 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 15:27:39,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 15:27:39,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1661676386, now seen corresponding path program 1 times [2023-11-17 15:27:39,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 15:27:39,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994589484] [2023-11-17 15:27:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:27:39,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 15:27:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:27:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 15:27:40,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 15:27:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994589484] [2023-11-17 15:27:40,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994589484] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 15:27:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110773721] [2023-11-17 15:27:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 15:27:40,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:27:40,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:27:40,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 15:27:40,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-17 15:27:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 15:27:40,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-17 15:27:40,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 15:27:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 15:27:40,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 15:27:40,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110773721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 15:27:40,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 15:27:40,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-17 15:27:40,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472645128] [2023-11-17 15:27:40,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 15:27:40,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 15:27:40,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 15:27:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 15:27:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 15:27:40,883 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 841 out of 1859 [2023-11-17 15:27:40,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 35 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 844.3333333333334) internal successors, (2533), 3 states have internal predecessors, (2533), 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 15:27:40,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 15:27:40,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 841 of 1859 [2023-11-17 15:27:40,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 15:27:41,147 INFO L124 PetriNetUnfolderBase]: 43/94 cut-off events. [2023-11-17 15:27:41,148 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 15:27:41,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 94 events. 43/94 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 8/92 useless extension candidates. Maximal degree in co-relation 201. Up to 61 conditions per place. [2023-11-17 15:27:41,148 INFO L140 encePairwiseOnDemand]: 1855/1859 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2023-11-17 15:27:41,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 39 transitions, 173 flow [2023-11-17 15:27:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 15:27:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 15:27:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2562 transitions. [2023-11-17 15:27:41,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4593867670790748 [2023-11-17 15:27:41,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2562 transitions. [2023-11-17 15:27:41,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2562 transitions. [2023-11-17 15:27:41,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 15:27:41,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2562 transitions. [2023-11-17 15:27:41,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 854.0) internal successors, (2562), 3 states have internal predecessors, (2562), 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 15:27:41,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1859.0) internal successors, (7436), 4 states have internal predecessors, (7436), 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 15:27:41,168 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1859.0) internal successors, (7436), 4 states have internal predecessors, (7436), 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 15:27:41,168 INFO L175 Difference]: Start difference. First operand has 32 places, 35 transitions, 86 flow. Second operand 3 states and 2562 transitions. [2023-11-17 15:27:41,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 39 transitions, 173 flow [2023-11-17 15:27:41,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 39 transitions, 169 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 15:27:41,169 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2023-11-17 15:27:41,169 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1859, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2023-11-17 15:27:41,171 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2023-11-17 15:27:41,171 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 0 transitions, 0 flow [2023-11-17 15:27:41,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 844.3333333333334) internal successors, (2533), 3 states have internal predecessors, (2533), 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 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-17 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-11-17 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-17 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2023-11-17 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2023-11-17 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-11-17 15:27:41,176 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-11-17 15:27:41,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-17 15:27:41,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 15:27:41,385 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-17 15:27:41,388 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 15:27:41,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 15:27:41,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:27:41 BasicIcfg [2023-11-17 15:27:41,391 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 15:27:41,391 INFO L158 Benchmark]: Toolchain (without parser) took 325712.82ms. Allocated memory was 364.9MB in the beginning and 556.8MB in the end (delta: 191.9MB). Free memory was 311.3MB in the beginning and 363.1MB in the end (delta: -51.8MB). Peak memory consumption was 140.5MB. Max. memory is 8.0GB. [2023-11-17 15:27:41,391 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 210.8MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:27:41,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4317.94ms. Allocated memory is still 364.9MB. Free memory was 310.8MB in the beginning and 209.5MB in the end (delta: 101.3MB). Peak memory consumption was 144.2MB. Max. memory is 8.0GB. [2023-11-17 15:27:41,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.22ms. Allocated memory is still 364.9MB. Free memory was 209.5MB in the beginning and 197.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 15:27:41,392 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 364.9MB. Free memory was 197.4MB in the beginning and 191.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-11-17 15:27:41,393 INFO L158 Benchmark]: RCFGBuilder took 1094.59ms. Allocated memory was 364.9MB in the beginning and 463.5MB in the end (delta: 98.6MB). Free memory was 191.7MB in the beginning and 358.8MB in the end (delta: -167.1MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2023-11-17 15:27:41,393 INFO L158 Benchmark]: TraceAbstraction took 320094.19ms. Allocated memory was 463.5MB in the beginning and 556.8MB in the end (delta: 93.3MB). Free memory was 358.2MB in the beginning and 363.1MB in the end (delta: -4.9MB). Peak memory consumption was 87.9MB. Max. memory is 8.0GB. [2023-11-17 15:27:41,398 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 210.8MB. Free memory is still 159.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4317.94ms. Allocated memory is still 364.9MB. Free memory was 310.8MB in the beginning and 209.5MB in the end (delta: 101.3MB). Peak memory consumption was 144.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 150.22ms. Allocated memory is still 364.9MB. Free memory was 209.5MB in the beginning and 197.4MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 364.9MB. Free memory was 197.4MB in the beginning and 191.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1094.59ms. Allocated memory was 364.9MB in the beginning and 463.5MB in the end (delta: 98.6MB). Free memory was 191.7MB in the beginning and 358.8MB in the end (delta: -167.1MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. * TraceAbstraction took 320094.19ms. Allocated memory was 463.5MB in the beginning and 556.8MB in the end (delta: 93.3MB). Free memory was 358.2MB in the beginning and 363.1MB in the end (delta: -4.9MB). Peak memory consumption was 87.9MB. 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: 316.7s, 832 PlacesBefore, 34 PlacesAfterwards, 880 TransitionsBefore, 49 TransitionsAfterwards, 16308 CoEnabledTransitionPairs, 10 FixpointIterations, 628 TrivialSequentialCompositions, 190 ConcurrentSequentialCompositions, 88 TrivialYvCompositions, 29 ConcurrentYvCompositions, 33 ChoiceCompositions, 968 TotalNumberOfCompositions, 11930 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11549, independent: 11527, independent conditional: 0, independent unconditional: 11527, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10444, independent: 10430, independent conditional: 0, independent unconditional: 10430, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10444, independent: 10427, independent conditional: 0, independent unconditional: 10427, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11549, independent: 1097, independent conditional: 0, independent unconditional: 1097, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 10444, unknown conditional: 0, unknown unconditional: 10444] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, 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 - 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, 1027 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: 319.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 316.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=0, InterpolantAutomatonStates: 8, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 7 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 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 15:27:41,429 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...