/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_change_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:31:56,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:31:56,102 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 11:31:56,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:31:56,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:31:56,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:31:56,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:31:56,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:31:56,138 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:31:56,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:31:56,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:31:56,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:31:56,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:31:56,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:31:56,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:31:56,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:31:56,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:31:56,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:31:56,145 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:31:56,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:31:56,146 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:31:56,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:31:56,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:31:56,147 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:31:56,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:31:56,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:31:56,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:31:56,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:31:56,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:31:56,148 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:31:56,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:31:56,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:31:56,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:31:56,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:31:56,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:31:56,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:31:56,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:31:56,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:31:56,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-11-17 11:31:57,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:31:58,199 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:31:58,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-11-17 11:31:58,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54ba7210/ea7d3a43e91e43bcb4ac6942774b6716/FLAGd535fcbaa [2023-11-17 11:31:58,265 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54ba7210/ea7d3a43e91e43bcb4ac6942774b6716 [2023-11-17 11:31:58,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:31:58,270 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:31:58,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:31:58,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:31:58,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:31:58,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:31:58" (1/1) ... [2023-11-17 11:31:58,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47534725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:31:58, skipping insertion in model container [2023-11-17 11:31:58,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:31:58" (1/1) ... [2023-11-17 11:31:58,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:31:58,764 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-11-17 11:32:03,180 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:03,714 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:03,717 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:03,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:03,834 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:32:03,859 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-11-17 11:32:03,936 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 11:32:03,938 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 11:32:03,939 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 11:32:03,939 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 11:32:04,013 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:04,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 11:32:04,056 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:04,057 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:04,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:04,628 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,629 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,629 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,629 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,629 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,629 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,629 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:04,636 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:32:04,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04 WrapperNode [2023-11-17 11:32:04,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:04,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:04,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:32:04,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:32:04,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,832 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 727 [2023-11-17 11:32:04,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:04,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:32:04,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:32:04,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:32:04,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:32:04,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:32:04,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:32:04,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:32:04,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (1/1) ... [2023-11-17 11:32:04,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:04,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:04,941 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 11:32:04,965 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 11:32:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:32:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 11:32:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:32:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:32:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 11:32:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-11-17 11:32:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:32:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:32:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 11:32:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 11:32:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 11:32:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:32:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:32:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:32:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:32:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:32:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:32:04,994 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 11:32:05,471 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:32:05,473 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:32:06,248 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:32:06,998 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:32:06,998 INFO L307 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-17 11:32:07,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:07 BoogieIcfgContainer [2023-11-17 11:32:07,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:32:07,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:32:07,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:32:07,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:32:07,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:31:58" (1/3) ... [2023-11-17 11:32:07,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f94678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:07, skipping insertion in model container [2023-11-17 11:32:07,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:04" (2/3) ... [2023-11-17 11:32:07,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f94678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:07, skipping insertion in model container [2023-11-17 11:32:07,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:07" (3/3) ... [2023-11-17 11:32:07,007 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-11-17 11:32:07,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:32:07,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-17 11:32:07,024 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:32:07,090 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 11:32:07,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 59 places, 78 transitions, 170 flow [2023-11-17 11:32:07,160 INFO L124 PetriNetUnfolderBase]: 26/76 cut-off events. [2023-11-17 11:32:07,160 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:32:07,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 26/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 149 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2023-11-17 11:32:07,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 59 places, 78 transitions, 170 flow [2023-11-17 11:32:07,175 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 55 places, 74 transitions, 157 flow [2023-11-17 11:32:07,179 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:32:07,193 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 74 transitions, 157 flow [2023-11-17 11:32:07,196 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 74 transitions, 157 flow [2023-11-17 11:32:07,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 74 transitions, 157 flow [2023-11-17 11:32:07,234 INFO L124 PetriNetUnfolderBase]: 26/74 cut-off events. [2023-11-17 11:32:07,234 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 11:32:07,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 74 events. 26/74 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 146 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2023-11-17 11:32:07,236 INFO L119 LiptonReduction]: Number of co-enabled transitions 222 [2023-11-17 11:32:19,158 INFO L134 LiptonReduction]: Checked pairs total: 324 [2023-11-17 11:32:19,158 INFO L136 LiptonReduction]: Total number of compositions: 59 [2023-11-17 11:32:19,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 11:32:19,177 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;@197c6e8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 11:32:19,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-17 11:32:19,186 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 11:32:19,186 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 11:32:19,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:32:19,187 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:19,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 11:32:19,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:32:19,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:19,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2017218, now seen corresponding path program 1 times [2023-11-17 11:32:19,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:19,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476739815] [2023-11-17 11:32:19,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:19,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:19,633 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 11:32:19,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:19,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476739815] [2023-11-17 11:32:19,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476739815] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:19,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:32:19,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 11:32:19,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337915944] [2023-11-17 11:32:19,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:19,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 11:32:19,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:19,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 11:32:19,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 11:32:19,676 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 137 [2023-11-17 11:32:19,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 49 transitions, 107 flow. Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:32:19,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:19,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 137 [2023-11-17 11:32:19,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:19,923 INFO L124 PetriNetUnfolderBase]: 61/127 cut-off events. [2023-11-17 11:32:19,924 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-17 11:32:19,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 127 events. 61/127 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 322 event pairs, 51 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 170. Up to 128 conditions per place. [2023-11-17 11:32:19,930 INFO L140 encePairwiseOnDemand]: 123/137 looper letters, 34 selfloop transitions, 0 changer transitions 1/35 dead transitions. [2023-11-17 11:32:19,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-11-17 11:32:19,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 11:32:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 11:32:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 79 transitions. [2023-11-17 11:32:19,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.28832116788321166 [2023-11-17 11:32:19,945 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 79 transitions. [2023-11-17 11:32:19,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 79 transitions. [2023-11-17 11:32:19,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:19,948 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 79 transitions. [2023-11-17 11:32:19,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 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 11:32:19,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 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 11:32:19,956 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 137.0) internal successors, (411), 3 states have internal predecessors, (411), 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 11:32:19,958 INFO L175 Difference]: Start difference. First operand has 34 places, 49 transitions, 107 flow. Second operand 2 states and 79 transitions. [2023-11-17 11:32:19,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-11-17 11:32:19,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-17 11:32:19,965 INFO L231 Difference]: Finished difference. Result has 30 places, 34 transitions, 72 flow [2023-11-17 11:32:19,967 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=72, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2023-11-17 11:32:19,971 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -4 predicate places. [2023-11-17 11:32:19,971 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 72 flow [2023-11-17 11:32:19,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:32:19,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:19,973 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:19,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 11:32:19,973 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:32:19,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:19,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2121525719, now seen corresponding path program 1 times [2023-11-17 11:32:19,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:19,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393163763] [2023-11-17 11:32:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:20,736 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 11:32:20,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:20,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393163763] [2023-11-17 11:32:20,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393163763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:20,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:32:20,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 11:32:20,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857618594] [2023-11-17 11:32:20,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:20,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:32:20,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:20,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:32:20,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 11:32:20,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 137 [2023-11-17 11:32:20,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 11:32:20,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:20,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 137 [2023-11-17 11:32:20,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:21,039 INFO L124 PetriNetUnfolderBase]: 52/111 cut-off events. [2023-11-17 11:32:21,040 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-17 11:32:21,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 111 events. 52/111 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 264 event pairs, 42 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 229. Up to 111 conditions per place. [2023-11-17 11:32:21,041 INFO L140 encePairwiseOnDemand]: 133/137 looper letters, 33 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2023-11-17 11:32:21,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 35 transitions, 144 flow [2023-11-17 11:32:21,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:32:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:32:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2023-11-17 11:32:21,042 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.19951338199513383 [2023-11-17 11:32:21,043 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 82 transitions. [2023-11-17 11:32:21,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 82 transitions. [2023-11-17 11:32:21,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:21,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 82 transitions. [2023-11-17 11:32:21,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 11:32:21,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 11:32:21,045 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 11:32:21,045 INFO L175 Difference]: Start difference. First operand has 30 places, 34 transitions, 72 flow. Second operand 3 states and 82 transitions. [2023-11-17 11:32:21,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 35 transitions, 144 flow [2023-11-17 11:32:21,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 11:32:21,047 INFO L231 Difference]: Finished difference. Result has 32 places, 35 transitions, 86 flow [2023-11-17 11:32:21,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=32, PETRI_TRANSITIONS=35} [2023-11-17 11:32:21,048 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2023-11-17 11:32:21,048 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 35 transitions, 86 flow [2023-11-17 11:32:21,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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 11:32:21,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:21,048 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:21,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 11:32:21,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:32:21,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:21,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1234745215, now seen corresponding path program 1 times [2023-11-17 11:32:21,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:21,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081995805] [2023-11-17 11:32:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:21,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:21,760 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 11:32:21,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081995805] [2023-11-17 11:32:21,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081995805] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:32:21,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069974626] [2023-11-17 11:32:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:21,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:32:21,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:21,768 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 11:32:21,799 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 11:32:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:22,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 11:32:22,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:32:22,516 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 11:32:22,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 11:32:22,776 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 11:32:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069974626] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 11:32:22,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 11:32:22,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-17 11:32:22,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345665827] [2023-11-17 11:32:22,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 11:32:22,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 11:32:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:22,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 11:32:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-17 11:32:22,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 137 [2023-11-17 11:32:22,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 35 transitions, 86 flow. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 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 11:32:22,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:22,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 137 [2023-11-17 11:32:22,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:23,362 INFO L124 PetriNetUnfolderBase]: 52/116 cut-off events. [2023-11-17 11:32:23,362 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-17 11:32:23,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 116 events. 52/116 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 276 event pairs, 42 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 248. Up to 111 conditions per place. [2023-11-17 11:32:23,364 INFO L140 encePairwiseOnDemand]: 129/137 looper letters, 32 selfloop transitions, 8 changer transitions 0/40 dead transitions. [2023-11-17 11:32:23,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 40 transitions, 182 flow [2023-11-17 11:32:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 11:32:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-17 11:32:23,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 140 transitions. [2023-11-17 11:32:23,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.170316301703163 [2023-11-17 11:32:23,370 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 140 transitions. [2023-11-17 11:32:23,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 140 transitions. [2023-11-17 11:32:23,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:23,372 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 140 transitions. [2023-11-17 11:32:23,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 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 11:32:23,376 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 137.0) internal successors, (959), 7 states have internal predecessors, (959), 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 11:32:23,377 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 137.0) internal successors, (959), 7 states have internal predecessors, (959), 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 11:32:23,377 INFO L175 Difference]: Start difference. First operand has 32 places, 35 transitions, 86 flow. Second operand 6 states and 140 transitions. [2023-11-17 11:32:23,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 40 transitions, 182 flow [2023-11-17 11:32:23,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 40 transitions, 178 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 11:32:23,379 INFO L231 Difference]: Finished difference. Result has 39 places, 40 transitions, 148 flow [2023-11-17 11:32:23,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=148, PETRI_PLACES=39, PETRI_TRANSITIONS=40} [2023-11-17 11:32:23,380 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 5 predicate places. [2023-11-17 11:32:23,380 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 40 transitions, 148 flow [2023-11-17 11:32:23,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 8 states have internal predecessors, (136), 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 11:32:23,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:32:23,380 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:32:23,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-17 11:32:23,589 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 11:32:23,589 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 11:32:23,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:32:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash -2012343337, now seen corresponding path program 2 times [2023-11-17 11:32:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:32:23,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506461259] [2023-11-17 11:32:23,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:32:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:32:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:32:24,383 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 11:32:24,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:32:24,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506461259] [2023-11-17 11:32:24,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506461259] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:32:24,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732998969] [2023-11-17 11:32:24,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 11:32:24,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:32:24,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:24,387 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 11:32:24,404 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 11:32:25,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-17 11:32:25,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 11:32:25,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 11:32:25,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:32:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 11:32:25,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:32:25,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732998969] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:32:25,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:32:25,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2023-11-17 11:32:25,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458630737] [2023-11-17 11:32:25,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:32:25,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:32:25,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:32:25,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:32:25,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-17 11:32:25,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 137 [2023-11-17 11:32:25,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 40 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 11:32:25,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:32:25,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 137 [2023-11-17 11:32:25,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:32:25,670 INFO L124 PetriNetUnfolderBase]: 43/99 cut-off events. [2023-11-17 11:32:25,670 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-17 11:32:25,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 99 events. 43/99 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 242 event pairs, 15 based on Foata normal form. 8/100 useless extension candidates. Maximal degree in co-relation 237. Up to 66 conditions per place. [2023-11-17 11:32:25,671 INFO L140 encePairwiseOnDemand]: 133/137 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2023-11-17 11:32:25,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 44 transitions, 245 flow [2023-11-17 11:32:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:32:25,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:32:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2023-11-17 11:32:25,672 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.20437956204379562 [2023-11-17 11:32:25,672 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 84 transitions. [2023-11-17 11:32:25,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 84 transitions. [2023-11-17 11:32:25,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:32:25,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 84 transitions. [2023-11-17 11:32:25,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 11:32:25,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 11:32:25,675 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 11:32:25,675 INFO L175 Difference]: Start difference. First operand has 39 places, 40 transitions, 148 flow. Second operand 3 states and 84 transitions. [2023-11-17 11:32:25,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 44 transitions, 245 flow [2023-11-17 11:32:25,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 235 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-11-17 11:32:25,677 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2023-11-17 11:32:25,677 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2023-11-17 11:32:25,677 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 5 predicate places. [2023-11-17 11:32:25,678 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2023-11-17 11:32:25,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 11:32:25,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-17 11:32:25,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-11-17 11:32:25,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-17 11:32:25,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2023-11-17 11:32:25,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2023-11-17 11:32:25,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-11-17 11:32:25,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-11-17 11:32:25,695 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 11:32:25,891 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 11:32:25,891 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-11-17 11:32:25,896 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 11:32:25,896 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 11:32:25,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 11:32:25 BasicIcfg [2023-11-17 11:32:25,900 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 11:32:25,901 INFO L158 Benchmark]: Toolchain (without parser) took 27630.70ms. Allocated memory was 247.5MB in the beginning and 360.7MB in the end (delta: 113.2MB). Free memory was 186.1MB in the beginning and 81.6MB in the end (delta: 104.6MB). Peak memory consumption was 219.2MB. Max. memory is 8.0GB. [2023-11-17 11:32:25,901 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 181.4MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:32:25,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6364.27ms. Allocated memory was 247.5MB in the beginning and 299.9MB in the end (delta: 52.4MB). Free memory was 185.9MB in the beginning and 223.4MB in the end (delta: -37.5MB). Peak memory consumption was 120.6MB. Max. memory is 8.0GB. [2023-11-17 11:32:25,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.14ms. Allocated memory is still 299.9MB. Free memory was 223.4MB in the beginning and 211.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 11:32:25,908 INFO L158 Benchmark]: Boogie Preprocessor took 76.41ms. Allocated memory is still 299.9MB. Free memory was 211.5MB in the beginning and 205.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 11:32:25,908 INFO L158 Benchmark]: RCFGBuilder took 2089.72ms. Allocated memory is still 299.9MB. Free memory was 205.7MB in the beginning and 137.2MB in the end (delta: 68.5MB). Peak memory consumption was 136.6MB. Max. memory is 8.0GB. [2023-11-17 11:32:25,908 INFO L158 Benchmark]: TraceAbstraction took 18897.89ms. Allocated memory was 299.9MB in the beginning and 360.7MB in the end (delta: 60.8MB). Free memory was 136.6MB in the beginning and 81.6MB in the end (delta: 55.1MB). Peak memory consumption was 115.9MB. Max. memory is 8.0GB. [2023-11-17 11:32:25,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 181.4MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 6364.27ms. Allocated memory was 247.5MB in the beginning and 299.9MB in the end (delta: 52.4MB). Free memory was 185.9MB in the beginning and 223.4MB in the end (delta: -37.5MB). Peak memory consumption was 120.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 195.14ms. Allocated memory is still 299.9MB. Free memory was 223.4MB in the beginning and 211.5MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.41ms. Allocated memory is still 299.9MB. Free memory was 211.5MB in the beginning and 205.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 2089.72ms. Allocated memory is still 299.9MB. Free memory was 205.7MB in the beginning and 137.2MB in the end (delta: 68.5MB). Peak memory consumption was 136.6MB. Max. memory is 8.0GB. * TraceAbstraction took 18897.89ms. Allocated memory was 299.9MB in the beginning and 360.7MB in the end (delta: 60.8MB). Free memory was 136.6MB in the beginning and 81.6MB in the end (delta: 55.1MB). Peak memory consumption was 115.9MB. 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: 12.0s, 55 PlacesBefore, 34 PlacesAfterwards, 74 TransitionsBefore, 49 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 3 ConcurrentYvCompositions, 4 ChoiceCompositions, 59 TotalNumberOfCompositions, 324 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 282, independent: 274, independent conditional: 0, independent unconditional: 274, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 107, independent: 104, independent conditional: 0, independent unconditional: 104, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 107, independent: 104, independent conditional: 0, independent unconditional: 104, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 282, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 107, unknown conditional: 0, unknown unconditional: 107] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 71 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: 18.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 374 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 0 mSDtfsCounter, 374 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1183 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 10/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 11:32:25,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...