/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_current_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:32:38,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:32:38,512 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 11:32:38,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:32:38,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:32:38,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:32:38,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:32:38,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:32:38,556 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:32:38,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:32:38,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:32:38,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:32:38,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:32:38,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:32:38,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:32:38,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:32:38,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:32:38,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:32:38,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:32:38,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:32:38,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:32:38,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:32:38,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:32:38,565 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:32:38,565 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:32:38,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:38,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:32:38,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:32:38,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:32:38,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:32:38,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:32:38,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:32:38,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:32:38,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:32:38,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:32:38,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:32:38,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:32:38,818 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:32:38,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-17 11:32:40,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:32:40,560 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:32:40,561 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-17 11:32:40,603 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c955275cc/ffc6cb042e5f46b2b0928cb0ee9ef795/FLAG164587ddb [2023-11-17 11:32:40,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c955275cc/ffc6cb042e5f46b2b0928cb0ee9ef795 [2023-11-17 11:32:40,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:32:40,627 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:32:40,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:40,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:32:40,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:32:40,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:40,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@563806d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:40, skipping insertion in model container [2023-11-17 11:32:40,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:40" (1/1) ... [2023-11-17 11:32:40,743 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:32:41,068 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:43,954 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:44,762 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:44,762 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:44,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:44,844 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:32:44,864 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:44,952 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 11:32:44,954 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 11:32:44,955 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 11:32:44,955 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 11:32:45,032 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:45,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 11:32:45,086 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:45,086 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:45,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:45,571 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,571 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,571 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,572 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,572 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,572 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,572 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:45,579 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:32:45,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45 WrapperNode [2023-11-17 11:32:45,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:45,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:45,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:32:45,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:32:45,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,771 INFO L138 Inliner]: procedures = 1394, calls = 1539, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 702 [2023-11-17 11:32:45,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:45,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:32:45,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:32:45,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:32:45,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:32:45,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:32:45,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:32:45,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:32:45,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (1/1) ... [2023-11-17 11:32:45,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:45,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:45,930 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 11:32:45,954 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 11:32:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:32:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 11:32:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:32:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 11:32:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:32:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:32:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 11:32:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:32:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 11:32:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:32:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:32:45,973 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 11:32:46,414 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:32:46,416 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:32:47,234 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:32:48,034 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:32:48,034 INFO L307 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-17 11:32:48,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:48 BoogieIcfgContainer [2023-11-17 11:32:48,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:32:48,038 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:32:48,038 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:32:48,041 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:32:48,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:32:40" (1/3) ... [2023-11-17 11:32:48,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d7a978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:48, skipping insertion in model container [2023-11-17 11:32:48,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:45" (2/3) ... [2023-11-17 11:32:48,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d7a978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:48, skipping insertion in model container [2023-11-17 11:32:48,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:48" (3/3) ... [2023-11-17 11:32:48,043 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-11-17 11:32:48,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:32:48,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-17 11:32:48,072 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:32:48,147 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 11:32:48,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 75 transitions, 164 flow [2023-11-17 11:32:48,227 INFO L124 PetriNetUnfolderBase]: 24/73 cut-off events. [2023-11-17 11:32:48,228 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:32:48,236 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 5. Compared 134 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2023-11-17 11:32:48,237 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 75 transitions, 164 flow [2023-11-17 11:32:48,241 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 71 transitions, 151 flow [2023-11-17 11:32:48,244 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:32:48,264 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 71 transitions, 151 flow [2023-11-17 11:32:48,268 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 71 transitions, 151 flow [2023-11-17 11:32:48,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 71 transitions, 151 flow [2023-11-17 11:32:48,299 INFO L124 PetriNetUnfolderBase]: 24/71 cut-off events. [2023-11-17 11:32:48,300 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 11:32:48,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 71 events. 24/71 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 134 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2023-11-17 11:32:48,301 INFO L119 LiptonReduction]: Number of co-enabled transitions 222 [2023-11-17 11:33:02,440 INFO L134 LiptonReduction]: Checked pairs total: 672 [2023-11-17 11:33:02,441 INFO L136 LiptonReduction]: Total number of compositions: 49 [2023-11-17 11:33:02,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 11:33:02,460 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;@984b348, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 11:33:02,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-17 11:33:02,470 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 11:33:02,470 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 11:33:02,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:02,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:02,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 11:33:02,472 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:33:02,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:02,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1929043, now seen corresponding path program 1 times [2023-11-17 11:33:02,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:02,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826874383] [2023-11-17 11:33:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:02,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:03,043 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 11:33:03,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:03,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826874383] [2023-11-17 11:33:03,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826874383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:03,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:03,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 11:33:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860514511] [2023-11-17 11:33:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:03,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 11:33:03,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:03,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 11:33:03,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 11:33:03,081 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 124 [2023-11-17 11:33:03,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 50 transitions, 109 flow. Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 11:33:03,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:03,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 124 [2023-11-17 11:33:03,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:03,385 INFO L124 PetriNetUnfolderBase]: 91/181 cut-off events. [2023-11-17 11:33:03,385 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-17 11:33:03,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 181 events. 91/181 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 526 event pairs, 81 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 302. Up to 182 conditions per place. [2023-11-17 11:33:03,391 INFO L140 encePairwiseOnDemand]: 111/124 looper letters, 37 selfloop transitions, 0 changer transitions 0/37 dead transitions. [2023-11-17 11:33:03,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 37 transitions, 157 flow [2023-11-17 11:33:03,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 11:33:03,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 11:33:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 68 transitions. [2023-11-17 11:33:03,406 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.27419354838709675 [2023-11-17 11:33:03,407 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 68 transitions. [2023-11-17 11:33:03,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 68 transitions. [2023-11-17 11:33:03,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:03,412 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 68 transitions. [2023-11-17 11:33:03,414 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 11:33:03,421 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 11:33:03,422 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 11:33:03,424 INFO L175 Difference]: Start difference. First operand has 35 places, 50 transitions, 109 flow. Second operand 2 states and 68 transitions. [2023-11-17 11:33:03,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 37 transitions, 157 flow [2023-11-17 11:33:03,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 37 transitions, 152 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 11:33:03,429 INFO L231 Difference]: Finished difference. Result has 32 places, 37 transitions, 78 flow [2023-11-17 11:33:03,431 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=78, PETRI_PLACES=32, PETRI_TRANSITIONS=37} [2023-11-17 11:33:03,438 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, -3 predicate places. [2023-11-17 11:33:03,438 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 37 transitions, 78 flow [2023-11-17 11:33:03,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 11:33:03,439 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:03,439 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:03,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 11:33:03,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:33:03,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:03,449 INFO L85 PathProgramCache]: Analyzing trace with hash -765648301, now seen corresponding path program 1 times [2023-11-17 11:33:03,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:03,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489549329] [2023-11-17 11:33:03,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:03,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:04,077 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 11:33:04,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489549329] [2023-11-17 11:33:04,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489549329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:04,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:04,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 11:33:04,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498342798] [2023-11-17 11:33:04,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:04,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:33:04,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:04,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:33:04,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 11:33:04,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 124 [2023-11-17 11:33:04,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 37 transitions, 78 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 11:33:04,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:04,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 124 [2023-11-17 11:33:04,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:04,402 INFO L124 PetriNetUnfolderBase]: 91/182 cut-off events. [2023-11-17 11:33:04,402 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:04,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 182 events. 91/182 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 523 event pairs, 81 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 379. Up to 182 conditions per place. [2023-11-17 11:33:04,406 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 36 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2023-11-17 11:33:04,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 38 transitions, 156 flow [2023-11-17 11:33:04,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:33:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:33:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2023-11-17 11:33:04,413 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.18010752688172044 [2023-11-17 11:33:04,413 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 67 transitions. [2023-11-17 11:33:04,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 67 transitions. [2023-11-17 11:33:04,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:04,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 67 transitions. [2023-11-17 11:33:04,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 11:33:04,415 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 11:33:04,415 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 11:33:04,416 INFO L175 Difference]: Start difference. First operand has 32 places, 37 transitions, 78 flow. Second operand 3 states and 67 transitions. [2023-11-17 11:33:04,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 38 transitions, 156 flow [2023-11-17 11:33:04,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 38 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 11:33:04,417 INFO L231 Difference]: Finished difference. Result has 35 places, 38 transitions, 92 flow [2023-11-17 11:33:04,418 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2023-11-17 11:33:04,418 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 0 predicate places. [2023-11-17 11:33:04,419 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 92 flow [2023-11-17 11:33:04,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 11:33:04,419 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:04,419 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:04,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 11:33:04,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:33:04,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:04,420 INFO L85 PathProgramCache]: Analyzing trace with hash -565615898, now seen corresponding path program 1 times [2023-11-17 11:33:04,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:04,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538968423] [2023-11-17 11:33:04,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:04,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:05,020 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 11:33:05,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538968423] [2023-11-17 11:33:05,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538968423] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:05,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005636524] [2023-11-17 11:33:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:05,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:05,028 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 11:33:05,050 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 11:33:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:05,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 11:33:05,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:05,504 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 11:33:05,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:33:05,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005636524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:05,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:33:05,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-11-17 11:33:05,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714250810] [2023-11-17 11:33:05,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:05,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:33:05,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:05,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:33:05,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 11:33:05,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 124 [2023-11-17 11:33:05,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:33:05,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:05,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 124 [2023-11-17 11:33:05,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:06,595 INFO L124 PetriNetUnfolderBase]: 88/179 cut-off events. [2023-11-17 11:33:06,595 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:33:06,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 179 events. 88/179 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 562 event pairs, 51 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 379. Up to 145 conditions per place. [2023-11-17 11:33:06,597 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 42 selfloop transitions, 3 changer transitions 3/48 dead transitions. [2023-11-17 11:33:06,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 48 transitions, 209 flow [2023-11-17 11:33:06,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:33:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:33:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2023-11-17 11:33:06,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.20161290322580644 [2023-11-17 11:33:06,599 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 75 transitions. [2023-11-17 11:33:06,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 75 transitions. [2023-11-17 11:33:06,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:06,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 75 transitions. [2023-11-17 11:33:06,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 11:33:06,601 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 11:33:06,601 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 11:33:06,601 INFO L175 Difference]: Start difference. First operand has 35 places, 38 transitions, 92 flow. Second operand 3 states and 75 transitions. [2023-11-17 11:33:06,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 48 transitions, 209 flow [2023-11-17 11:33:06,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 48 transitions, 205 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 11:33:06,603 INFO L231 Difference]: Finished difference. Result has 37 places, 40 transitions, 107 flow [2023-11-17 11:33:06,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=37, PETRI_TRANSITIONS=40} [2023-11-17 11:33:06,604 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2023-11-17 11:33:06,604 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 40 transitions, 107 flow [2023-11-17 11:33:06,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:33:06,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:06,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:06,619 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 11:33:06,817 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 11:33:06,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:33:06,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash -345404941, now seen corresponding path program 1 times [2023-11-17 11:33:06,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:06,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923087632] [2023-11-17 11:33:06,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:07,298 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 11:33:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:07,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923087632] [2023-11-17 11:33:07,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923087632] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:07,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751946524] [2023-11-17 11:33:07,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:07,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:07,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:07,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 11:33:07,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 11:33:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:08,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 11:33:08,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:08,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-17 11:33:08,472 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 11:33:08,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:33:08,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751946524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:08,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:33:08,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2023-11-17 11:33:08,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630095675] [2023-11-17 11:33:08,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:08,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 11:33:08,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:08,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 11:33:08,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-17 11:33:08,474 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 124 [2023-11-17 11:33:08,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 40 transitions, 107 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 11:33:08,475 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:08,475 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 124 [2023-11-17 11:33:08,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:09,136 INFO L124 PetriNetUnfolderBase]: 89/182 cut-off events. [2023-11-17 11:33:09,136 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-17 11:33:09,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 182 events. 89/182 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 556 event pairs, 43 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 461. Up to 120 conditions per place. [2023-11-17 11:33:09,138 INFO L140 encePairwiseOnDemand]: 119/124 looper letters, 41 selfloop transitions, 5 changer transitions 7/53 dead transitions. [2023-11-17 11:33:09,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 53 transitions, 259 flow [2023-11-17 11:33:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 11:33:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-17 11:33:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2023-11-17 11:33:09,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.17338709677419356 [2023-11-17 11:33:09,140 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 86 transitions. [2023-11-17 11:33:09,140 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 86 transitions. [2023-11-17 11:33:09,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:09,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 86 transitions. [2023-11-17 11:33:09,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 11:33:09,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 11:33:09,142 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 124.0) internal successors, (620), 5 states have internal predecessors, (620), 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 11:33:09,142 INFO L175 Difference]: Start difference. First operand has 37 places, 40 transitions, 107 flow. Second operand 4 states and 86 transitions. [2023-11-17 11:33:09,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 53 transitions, 259 flow [2023-11-17 11:33:09,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 53 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-17 11:33:09,145 INFO L231 Difference]: Finished difference. Result has 40 places, 40 transitions, 120 flow [2023-11-17 11:33:09,145 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=120, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2023-11-17 11:33:09,147 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 5 predicate places. [2023-11-17 11:33:09,147 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 120 flow [2023-11-17 11:33:09,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 11:33:09,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:09,147 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:09,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 11:33:09,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-17 11:33:09,357 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:33:09,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:09,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2117617165, now seen corresponding path program 1 times [2023-11-17 11:33:09,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:09,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035712524] [2023-11-17 11:33:09,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:09,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:09,921 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 11:33:09,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:09,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035712524] [2023-11-17 11:33:09,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035712524] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469480015] [2023-11-17 11:33:09,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:09,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:09,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:09,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 11:33:09,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 11:33:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:10,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 11:33:10,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:10,659 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 11:33:10,659 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 11:33:10,850 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 11:33:10,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469480015] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 11:33:10,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 11:33:10,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-17 11:33:10,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720648118] [2023-11-17 11:33:10,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 11:33:10,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 11:33:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:10,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 11:33:10,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-17 11:33:10,853 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 124 [2023-11-17 11:33:10,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 40 transitions, 120 flow. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 11:33:10,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:10,853 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 124 [2023-11-17 11:33:10,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:11,378 INFO L124 PetriNetUnfolderBase]: 76/174 cut-off events. [2023-11-17 11:33:11,378 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2023-11-17 11:33:11,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 174 events. 76/174 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 549 event pairs, 66 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 476. Up to 169 conditions per place. [2023-11-17 11:33:11,382 INFO L140 encePairwiseOnDemand]: 116/124 looper letters, 37 selfloop transitions, 8 changer transitions 0/45 dead transitions. [2023-11-17 11:33:11,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 45 transitions, 226 flow [2023-11-17 11:33:11,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 11:33:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-17 11:33:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 107 transitions. [2023-11-17 11:33:11,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.14381720430107528 [2023-11-17 11:33:11,387 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 107 transitions. [2023-11-17 11:33:11,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 107 transitions. [2023-11-17 11:33:11,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:11,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 107 transitions. [2023-11-17 11:33:11,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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 11:33:11,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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 11:33:11,392 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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 11:33:11,392 INFO L175 Difference]: Start difference. First operand has 40 places, 40 transitions, 120 flow. Second operand 6 states and 107 transitions. [2023-11-17 11:33:11,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 45 transitions, 226 flow [2023-11-17 11:33:11,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 45 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-17 11:33:11,397 INFO L231 Difference]: Finished difference. Result has 46 places, 45 transitions, 180 flow [2023-11-17 11:33:11,397 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=180, PETRI_PLACES=46, PETRI_TRANSITIONS=45} [2023-11-17 11:33:11,399 INFO L281 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2023-11-17 11:33:11,399 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 45 transitions, 180 flow [2023-11-17 11:33:11,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 11:33:11,400 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:11,400 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:11,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 11:33:11,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:11,610 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:33:11,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2016292576, now seen corresponding path program 2 times [2023-11-17 11:33:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:11,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049571962] [2023-11-17 11:33:11,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:11,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 11:33:12,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:12,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049571962] [2023-11-17 11:33:12,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049571962] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:12,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492394940] [2023-11-17 11:33:12,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 11:33:12,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:12,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:12,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 11:33:12,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 11:33:13,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-17 11:33:13,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 11:33:13,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 94 conjunts are in the unsatisfiable core [2023-11-17 11:33:13,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:13,127 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 11:33:13,178 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 11:33:13,218 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-17 11:33:13,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 11:33:13,657 INFO L224 Elim1Store]: Index analysis took 203 ms [2023-11-17 11:33:17,916 INFO L349 Elim1Store]: treesize reduction 6847, result has 2.8 percent of original size [2023-11-17 11:33:17,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 23 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 37 case distinctions, treesize of input 8351062 treesize of output 8351141 [2023-11-17 11:34:00,016 WARN L293 SmtUtils]: Spent 42.10s on a formula simplification. DAG size of input: 591 DAG size of output: 319 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 11:39:09,854 WARN L293 SmtUtils]: Spent 11.35s on a formula simplification. DAG size of input: 3071 DAG size of output: 3072 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-11-17 11:41:23,179 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-17 11:41:23,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 11:41:23,192 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 11:41:23,193 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 11:41:23,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:41:23,388 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-44-2-1 context. [2023-11-17 11:41:23,392 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2023-11-17 11:41:23,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2023-11-17 11:41:23,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-17 11:41:23,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-11-17 11:41:23,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-11-17 11:41:23,393 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-11-17 11:41:23,394 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-11-17 11:41:23,402 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 11:41:23,402 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 11:41:23,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 11:41:23 BasicIcfg [2023-11-17 11:41:23,407 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 11:41:23,407 INFO L158 Benchmark]: Toolchain (without parser) took 522780.30ms. Allocated memory was 314.6MB in the beginning and 871.4MB in the end (delta: 556.8MB). Free memory was 252.7MB in the beginning and 364.7MB in the end (delta: -112.0MB). Peak memory consumption was 570.0MB. Max. memory is 8.0GB. [2023-11-17 11:41:23,408 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 187.7MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:41:23,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4949.13ms. Allocated memory was 314.6MB in the beginning and 419.4MB in the end (delta: 104.9MB). Free memory was 252.7MB in the beginning and 280.4MB in the end (delta: -27.7MB). Peak memory consumption was 113.1MB. Max. memory is 8.0GB. [2023-11-17 11:41:23,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.52ms. Allocated memory is still 419.4MB. Free memory was 280.4MB in the beginning and 268.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 11:41:23,409 INFO L158 Benchmark]: Boogie Preprocessor took 123.27ms. Allocated memory is still 419.4MB. Free memory was 268.9MB in the beginning and 263.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 11:41:23,411 INFO L158 Benchmark]: RCFGBuilder took 2139.46ms. Allocated memory is still 419.4MB. Free memory was 263.1MB in the beginning and 309.1MB in the end (delta: -46.0MB). Peak memory consumption was 161.1MB. Max. memory is 8.0GB. [2023-11-17 11:41:23,411 INFO L158 Benchmark]: TraceAbstraction took 515369.19ms. Allocated memory was 419.4MB in the beginning and 871.4MB in the end (delta: 451.9MB). Free memory was 308.6MB in the beginning and 364.7MB in the end (delta: -56.1MB). Peak memory consumption was 519.9MB. Max. memory is 8.0GB. [2023-11-17 11:41:23,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 187.7MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4949.13ms. Allocated memory was 314.6MB in the beginning and 419.4MB in the end (delta: 104.9MB). Free memory was 252.7MB in the beginning and 280.4MB in the end (delta: -27.7MB). Peak memory consumption was 113.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 191.52ms. Allocated memory is still 419.4MB. Free memory was 280.4MB in the beginning and 268.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 123.27ms. Allocated memory is still 419.4MB. Free memory was 268.9MB in the beginning and 263.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2139.46ms. Allocated memory is still 419.4MB. Free memory was 263.1MB in the beginning and 309.1MB in the end (delta: -46.0MB). Peak memory consumption was 161.1MB. Max. memory is 8.0GB. * TraceAbstraction took 515369.19ms. Allocated memory was 419.4MB in the beginning and 871.4MB in the end (delta: 451.9MB). Free memory was 308.6MB in the beginning and 364.7MB in the end (delta: -56.1MB). Peak memory consumption was 519.9MB. 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: 14.2s, 54 PlacesBefore, 35 PlacesAfterwards, 71 TransitionsBefore, 50 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 4 FixpointIterations, 23 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 1 ConcurrentYvCompositions, 2 ChoiceCompositions, 49 TotalNumberOfCompositions, 672 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 441, independent: 390, independent conditional: 0, independent unconditional: 390, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 142, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 142, independent: 118, independent conditional: 0, independent unconditional: 118, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2209, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 2127, unknown conditional: 0, unknown unconditional: 2127] ], Cache Queries: [ total: 441, independent: 265, independent conditional: 0, independent unconditional: 265, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 142, unknown conditional: 0, unknown unconditional: 142] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-44-2-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-44-2-1 context. - TimeoutResultAtElement [Line: 174]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-44-2-1 context. - TimeoutResultAtElement [Line: 7077]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-44-2-1 context. - TimeoutResultAtElement [Line: 7076]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 14 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-44-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 69 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: 515.2s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 501 IncrementalHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 501 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=5, InterpolantAutomatonStates: 18, 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: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1713 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 2/7 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown