/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:32:34,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:32:34,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 11:32:34,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:32:34,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:32:34,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:32:34,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:32:34,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:32:34,662 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:32:34,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:32:34,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:32:34,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:32:34,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:32:34,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:32:34,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:32:34,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:32:34,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:32:34,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:32:34,665 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:32:34,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:32:34,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:32:34,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:32:34,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:32:34,667 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:32:34,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:32:34,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:34,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:32:34,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:32:34,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:32:34,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:32:34,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:32:34,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:32:34,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:32:34,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:32:34,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:32:34,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:32:34,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:32:34,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:32:34,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-17 11:32:36,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:32:36,565 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:32:36,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-17 11:32:36,605 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63ecb152/14e7462e1cfc4c89bc51bc98bf880c24/FLAG45987239e [2023-11-17 11:32:36,624 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63ecb152/14e7462e1cfc4c89bc51bc98bf880c24 [2023-11-17 11:32:36,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:32:36,628 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:32:36,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:36,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:32:36,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:32:36,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:36" (1/1) ... [2023-11-17 11:32:36,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585a421a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:36, skipping insertion in model container [2023-11-17 11:32:36,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:36" (1/1) ... [2023-11-17 11:32:36,757 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:32:37,142 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_configure_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:39,633 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:40,092 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:40,094 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:40,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:40,176 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:32:40,198 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_configure_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:40,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 11:32:40,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 11:32:40,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 11:32:40,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3227] [2023-11-17 11:32:40,353 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:40,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 11:32:40,403 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:40,403 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:40,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:40,957 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,958 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,958 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,958 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,958 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,958 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,958 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:40,965 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:32:40,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40 WrapperNode [2023-11-17 11:32:40,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:40,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:40,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:32:40,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:32:40,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,170 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 801 [2023-11-17 11:32:41,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:41,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:32:41,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:32:41,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:32:41,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:32:41,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:32:41,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:32:41,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:32:41,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:41,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:41,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 11:32:41,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 11:32:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:32:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 11:32:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:32:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:32:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:32:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:32:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 11:32:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:32:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:32:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:32:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-17 11:32:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-17 11:32:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 11:32:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:32:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 11:32:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:32:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:32:41,375 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 11:32:41,710 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:32:41,711 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:32:42,552 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:32:43,335 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:32:43,336 INFO L307 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-17 11:32:43,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:43 BoogieIcfgContainer [2023-11-17 11:32:43,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:32:43,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:32:43,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:32:43,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:32:43,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:32:36" (1/3) ... [2023-11-17 11:32:43,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40960542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:43, skipping insertion in model container [2023-11-17 11:32:43,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40" (2/3) ... [2023-11-17 11:32:43,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40960542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:43, skipping insertion in model container [2023-11-17 11:32:43,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:43" (3/3) ... [2023-11-17 11:32:43,346 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-17 11:32:43,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:32:43,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 11:32:43,362 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:32:43,480 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 11:32:43,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 75 transitions, 164 flow [2023-11-17 11:32:43,562 INFO L124 PetriNetUnfolderBase]: 24/73 cut-off events. [2023-11-17 11:32:43,562 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:32:43,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 73 events. 24/73 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 146 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2023-11-17 11:32:43,568 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 75 transitions, 164 flow [2023-11-17 11:32:43,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 66 transitions, 138 flow [2023-11-17 11:32:43,574 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:32:43,588 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 66 transitions, 138 flow [2023-11-17 11:32:43,592 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 66 transitions, 138 flow [2023-11-17 11:32:43,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 66 transitions, 138 flow [2023-11-17 11:32:43,620 INFO L124 PetriNetUnfolderBase]: 23/66 cut-off events. [2023-11-17 11:32:43,620 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:32:43,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 66 events. 23/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 116 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 61. Up to 5 conditions per place. [2023-11-17 11:32:43,621 INFO L119 LiptonReduction]: Number of co-enabled transitions 154 [2023-11-17 11:33:14,007 INFO L134 LiptonReduction]: Checked pairs total: 201 [2023-11-17 11:33:14,007 INFO L136 LiptonReduction]: Total number of compositions: 49 [2023-11-17 11:33:14,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 11:33:14,025 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;@32d8b2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 11:33:14,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 11:33:14,033 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 11:33:14,033 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 11:33:14,033 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:14,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:14,034 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 11:33:14,034 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 2 more)] === [2023-11-17 11:33:14,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:14,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2296148, now seen corresponding path program 1 times [2023-11-17 11:33:14,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:14,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733152732] [2023-11-17 11:33:14,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 11:33:14,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:14,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733152732] [2023-11-17 11:33:14,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733152732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:14,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:14,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 11:33:14,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959024260] [2023-11-17 11:33:14,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:14,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 11:33:14,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:14,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 11:33:14,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 11:33:14,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:14,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 44 transitions, 94 flow. Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:14,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:14,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:14,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:14,733 INFO L124 PetriNetUnfolderBase]: 48/100 cut-off events. [2023-11-17 11:33:14,733 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-17 11:33:14,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 100 events. 48/100 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 242 event pairs, 38 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 164. Up to 101 conditions per place. [2023-11-17 11:33:14,735 INFO L140 encePairwiseOnDemand]: 112/124 looper letters, 32 selfloop transitions, 0 changer transitions 0/32 dead transitions. [2023-11-17 11:33:14,735 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 32 transitions, 134 flow [2023-11-17 11:33:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 11:33:14,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 11:33:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2023-11-17 11:33:14,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.27419354838709675 [2023-11-17 11:33:14,744 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 68 transitions. [2023-11-17 11:33:14,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 68 transitions. [2023-11-17 11:33:14,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:14,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 68 transitions. [2023-11-17 11:33:14,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:14,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:14,752 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:14,754 INFO L175 Difference]: Start difference. First operand has 30 places, 44 transitions, 94 flow. Second operand 2 states and 68 transitions. [2023-11-17 11:33:14,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 32 transitions, 134 flow [2023-11-17 11:33:14,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 32 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-17 11:33:14,759 INFO L231 Difference]: Finished difference. Result has 28 places, 32 transitions, 68 flow [2023-11-17 11:33:14,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=68, PETRI_PLACES=28, PETRI_TRANSITIONS=32} [2023-11-17 11:33:14,763 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2023-11-17 11:33:14,763 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 32 transitions, 68 flow [2023-11-17 11:33:14,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:14,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:14,764 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:14,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 11:33:14,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 11:33:14,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:14,769 INFO L85 PathProgramCache]: Analyzing trace with hash -686372661, now seen corresponding path program 1 times [2023-11-17 11:33:14,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:14,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378417036] [2023-11-17 11:33:14,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:14,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 11:33:15,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:15,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378417036] [2023-11-17 11:33:15,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378417036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:15,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:15,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 11:33:15,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854544042] [2023-11-17 11:33:15,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:15,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:33:15,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:33:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 11:33:15,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:15,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 32 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:15,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:15,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:15,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:15,484 INFO L124 PetriNetUnfolderBase]: 48/101 cut-off events. [2023-11-17 11:33:15,484 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:15,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 101 events. 48/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 241 event pairs, 38 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 214. Up to 101 conditions per place. [2023-11-17 11:33:15,487 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 31 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2023-11-17 11:33:15,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 33 transitions, 136 flow [2023-11-17 11:33:15,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:33:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:33:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2023-11-17 11:33:15,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.19086021505376344 [2023-11-17 11:33:15,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 71 transitions. [2023-11-17 11:33:15,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 71 transitions. [2023-11-17 11:33:15,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:15,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 71 transitions. [2023-11-17 11:33:15,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:15,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:15,502 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:15,502 INFO L175 Difference]: Start difference. First operand has 28 places, 32 transitions, 68 flow. Second operand 3 states and 71 transitions. [2023-11-17 11:33:15,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 33 transitions, 136 flow [2023-11-17 11:33:15,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 33 transitions, 136 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 11:33:15,503 INFO L231 Difference]: Finished difference. Result has 31 places, 33 transitions, 82 flow [2023-11-17 11:33:15,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=31, PETRI_TRANSITIONS=33} [2023-11-17 11:33:15,504 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2023-11-17 11:33:15,504 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 33 transitions, 82 flow [2023-11-17 11:33:15,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:15,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:15,504 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:15,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 11:33:15,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 11:33:15,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1423546300, now seen corresponding path program 1 times [2023-11-17 11:33:15,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:15,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851430167] [2023-11-17 11:33:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:15,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:16,006 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 11:33:16,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:16,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851430167] [2023-11-17 11:33:16,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851430167] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:16,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212920860] [2023-11-17 11:33:16,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:16,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:16,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:16,018 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 11:33:16,035 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 11:33:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:16,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 11:33:16,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:16,835 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 11:33:16,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:33:16,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212920860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:16,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:33:16,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-17 11:33:16,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320218629] [2023-11-17 11:33:16,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:16,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:33:16,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:16,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:33:16,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 11:33:16,839 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:16,839 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 33 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:16,839 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:16,839 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:16,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:17,517 INFO L124 PetriNetUnfolderBase]: 39/84 cut-off events. [2023-11-17 11:33:17,518 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:17,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 84 events. 39/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 193 event pairs, 20 based on Foata normal form. 8/82 useless extension candidates. Maximal degree in co-relation 184. Up to 68 conditions per place. [2023-11-17 11:33:17,518 INFO L140 encePairwiseOnDemand]: 122/124 looper letters, 0 selfloop transitions, 0 changer transitions 37/37 dead transitions. [2023-11-17 11:33:17,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 37 transitions, 166 flow [2023-11-17 11:33:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:33:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:33:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2023-11-17 11:33:17,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.19623655913978494 [2023-11-17 11:33:17,521 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 73 transitions. [2023-11-17 11:33:17,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 73 transitions. [2023-11-17 11:33:17,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:17,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 73 transitions. [2023-11-17 11:33:17,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 124.0) internal successors, (496), 4 states have internal predecessors, (496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,527 INFO L175 Difference]: Start difference. First operand has 31 places, 33 transitions, 82 flow. Second operand 3 states and 73 transitions. [2023-11-17 11:33:17,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 37 transitions, 166 flow [2023-11-17 11:33:17,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 37 transitions, 162 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 11:33:17,528 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-11-17 11:33:17,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-11-17 11:33:17,529 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, 1 predicate places. [2023-11-17 11:33:17,529 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-11-17 11:33:17,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-17 11:33:17,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-11-17 11:33:17,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-17 11:33:17,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-11-17 11:33:17,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-17 11:33:17,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-17 11:33:17,750 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 11:33:17,750 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-17 11:33:17,754 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 11:33:17,754 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 11:33:17,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 11:33:17 BasicIcfg [2023-11-17 11:33:17,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 11:33:17,757 INFO L158 Benchmark]: Toolchain (without parser) took 41129.05ms. Allocated memory was 328.2MB in the beginning and 590.3MB in the end (delta: 262.1MB). Free memory was 266.1MB in the beginning and 385.0MB in the end (delta: -118.9MB). Peak memory consumption was 144.0MB. Max. memory is 8.0GB. [2023-11-17 11:33:17,757 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory was 152.5MB in the beginning and 152.3MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:33:17,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4336.15ms. Allocated memory was 328.2MB in the beginning and 447.7MB in the end (delta: 119.5MB). Free memory was 265.8MB in the beginning and 292.9MB in the end (delta: -27.0MB). Peak memory consumption was 182.2MB. Max. memory is 8.0GB. [2023-11-17 11:33:17,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.45ms. Allocated memory is still 447.7MB. Free memory was 292.3MB in the beginning and 280.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 11:33:17,758 INFO L158 Benchmark]: Boogie Preprocessor took 111.10ms. Allocated memory is still 447.7MB. Free memory was 280.3MB in the beginning and 274.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 11:33:17,759 INFO L158 Benchmark]: RCFGBuilder took 2053.96ms. Allocated memory is still 447.7MB. Free memory was 274.0MB in the beginning and 179.8MB in the end (delta: 94.1MB). Peak memory consumption was 94.4MB. Max. memory is 8.0GB. [2023-11-17 11:33:17,759 INFO L158 Benchmark]: TraceAbstraction took 34416.17ms. Allocated memory was 447.7MB in the beginning and 590.3MB in the end (delta: 142.6MB). Free memory was 178.8MB in the beginning and 385.0MB in the end (delta: -206.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:33:17,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory was 152.5MB in the beginning and 152.3MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4336.15ms. Allocated memory was 328.2MB in the beginning and 447.7MB in the end (delta: 119.5MB). Free memory was 265.8MB in the beginning and 292.9MB in the end (delta: -27.0MB). Peak memory consumption was 182.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 204.45ms. Allocated memory is still 447.7MB. Free memory was 292.3MB in the beginning and 280.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.10ms. Allocated memory is still 447.7MB. Free memory was 280.3MB in the beginning and 274.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2053.96ms. Allocated memory is still 447.7MB. Free memory was 274.0MB in the beginning and 179.8MB in the end (delta: 94.1MB). Peak memory consumption was 94.4MB. Max. memory is 8.0GB. * TraceAbstraction took 34416.17ms. Allocated memory was 447.7MB in the beginning and 590.3MB in the end (delta: 142.6MB). Free memory was 178.8MB in the beginning and 385.0MB in the end (delta: -206.2MB). There was no memory consumed. 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: 30.4s, 50 PlacesBefore, 30 PlacesAfterwards, 66 TransitionsBefore, 44 TransitionsAfterwards, 154 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 49 TotalNumberOfCompositions, 201 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8615, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 8583, unknown conditional: 0, unknown unconditional: 8583] ], Cache Queries: [ total: 125, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 14, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2 - 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, 69 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: 34.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 30.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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, 0.8s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 8 NumberOfNonLiveVariables, 565 ConjunctsInSsa, 18 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 11:33:17,816 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...