/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_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 11:32:43,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 11:32:43,907 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 11:32:43,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 11:32:43,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 11:32:43,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 11:32:43,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 11:32:43,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 11:32:43,957 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 11:32:43,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 11:32:43,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 11:32:43,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 11:32:43,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 11:32:43,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 11:32:43,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 11:32:43,960 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 11:32:43,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 11:32:43,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 11:32:43,964 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 11:32:43,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 11:32:43,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 11:32:43,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 11:32:43,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 11:32:43,973 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 11:32:43,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 11:32:43,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:43,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 11:32:43,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 11:32:43,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 11:32:43,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 11:32:43,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 11:32:43,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 11:32:43,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 11:32:44,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 11:32:44,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 11:32:44,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 11:32:44,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 11:32:44,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 11:32:44,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-17 11:32:45,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 11:32:45,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 11:32:45,963 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-17 11:32:46,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f2583c2/e7ba3c00de0a4872b0b4fb7b9f4ee2c5/FLAG56f35e66c [2023-11-17 11:32:46,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90f2583c2/e7ba3c00de0a4872b0b4fb7b9f4ee2c5 [2023-11-17 11:32:46,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 11:32:46,041 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 11:32:46,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:46,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 11:32:46,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 11:32:46,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:46" (1/1) ... [2023-11-17 11:32:46,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e71d001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:46, skipping insertion in model container [2023-11-17 11:32:46,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:32:46" (1/1) ... [2023-11-17 11:32:46,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 11:32:46,502 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_get_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:50,404 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:51,001 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:51,001 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:51,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:51,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 11:32:51,120 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_get_pc8736x_gpio_set.i[5469,5482] [2023-11-17 11:32:51,211 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 11:32:51,213 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 11:32:51,213 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 11:32:51,214 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 11:32:51,304 WARN L635 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-11-17 11:32:51,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-17 11:32:51,357 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:51,357 WARN L1588 CHandler]: Possible shadowing of function iminor [2023-11-17 11:32:51,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 11:32:51,874 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,875 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,875 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,875 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,875 WARN L675 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,875 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,875 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 11:32:51,882 INFO L206 MainTranslator]: Completed translation [2023-11-17 11:32:51,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51 WrapperNode [2023-11-17 11:32:51,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 11:32:51,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:51,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 11:32:51,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 11:32:51,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:51,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,058 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 698 [2023-11-17 11:32:52,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 11:32:52,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 11:32:52,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 11:32:52,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 11:32:52,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,147 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 11:32:52,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 11:32:52,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 11:32:52,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 11:32:52,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (1/1) ... [2023-11-17 11:32:52,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 11:32:52,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:32:52,192 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 11:32:52,217 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 11:32:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 11:32:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 11:32:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 11:32:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 11:32:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 11:32:52,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 11:32:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-17 11:32:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 11:32:52,229 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-11-17 11:32:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 11:32:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 11:32:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 11:32:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 11:32:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-17 11:32:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:52,230 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-17 11:32:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 11:32:52,232 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 11:32:52,648 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 11:32:52,650 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 11:32:53,282 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 11:32:54,060 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 11:32:54,061 INFO L307 CfgBuilder]: Removed 27 assume(true) statements. [2023-11-17 11:32:54,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:54 BoogieIcfgContainer [2023-11-17 11:32:54,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 11:32:54,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 11:32:54,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 11:32:54,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 11:32:54,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:32:46" (1/3) ... [2023-11-17 11:32:54,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338bae3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:54, skipping insertion in model container [2023-11-17 11:32:54,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:32:51" (2/3) ... [2023-11-17 11:32:54,072 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338bae3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:32:54, skipping insertion in model container [2023-11-17 11:32:54,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:32:54" (3/3) ... [2023-11-17 11:32:54,076 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-11-17 11:32:54,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 11:32:54,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 11:32:54,095 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 11:32:54,167 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 11:32:54,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 73 transitions, 160 flow [2023-11-17 11:32:54,245 INFO L124 PetriNetUnfolderBase]: 25/71 cut-off events. [2023-11-17 11:32:54,246 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:32:54,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 71 events. 25/71 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 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 11:32:54,252 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 73 transitions, 160 flow [2023-11-17 11:32:54,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 69 transitions, 147 flow [2023-11-17 11:32:54,261 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 11:32:54,275 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 69 transitions, 147 flow [2023-11-17 11:32:54,279 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 69 transitions, 147 flow [2023-11-17 11:32:54,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 69 transitions, 147 flow [2023-11-17 11:32:54,308 INFO L124 PetriNetUnfolderBase]: 25/69 cut-off events. [2023-11-17 11:32:54,309 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 11:32:54,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 69 events. 25/69 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 64. Up to 5 conditions per place. [2023-11-17 11:32:54,310 INFO L119 LiptonReduction]: Number of co-enabled transitions 162 [2023-11-17 11:33:16,336 INFO L134 LiptonReduction]: Checked pairs total: 258 [2023-11-17 11:33:16,336 INFO L136 LiptonReduction]: Total number of compositions: 51 [2023-11-17 11:33:16,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-17 11:33:16,353 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;@438bf5ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 11:33:16,353 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 11:33:16,362 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-17 11:33:16,363 INFO L124 PetriNetUnfolderBase]: 4/9 cut-off events. [2023-11-17 11:33:16,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:16,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:16,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-17 11:33:16,364 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 11:33:16,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1924671, now seen corresponding path program 1 times [2023-11-17 11:33:16,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:16,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538688973] [2023-11-17 11:33:16,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:16,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:16,867 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 11:33:16,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:16,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538688973] [2023-11-17 11:33:16,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538688973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:16,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:16,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-17 11:33:16,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226478149] [2023-11-17 11:33:16,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:16,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 11:33:16,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:16,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 11:33:16,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 11:33:16,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:16,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 48 transitions, 105 flow. Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:16,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:16,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:16,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:17,111 INFO L124 PetriNetUnfolderBase]: 61/127 cut-off events. [2023-11-17 11:33:17,112 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-17 11:33:17,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 127 events. 61/127 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 337 event pairs, 51 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 200. Up to 128 conditions per place. [2023-11-17 11:33:17,115 INFO L140 encePairwiseOnDemand]: 111/124 looper letters, 32 selfloop transitions, 0 changer transitions 3/35 dead transitions. [2023-11-17 11:33:17,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-11-17 11:33:17,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 11:33:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-17 11:33:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 72 transitions. [2023-11-17 11:33:17,133 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2903225806451613 [2023-11-17 11:33:17,133 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 72 transitions. [2023-11-17 11:33:17,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 72 transitions. [2023-11-17 11:33:17,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:17,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 72 transitions. [2023-11-17 11:33:17,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,144 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 11:33:17,145 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 11:33:17,146 INFO L175 Difference]: Start difference. First operand has 33 places, 48 transitions, 105 flow. Second operand 2 states and 72 transitions. [2023-11-17 11:33:17,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-11-17 11:33:17,149 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 11:33:17,150 INFO L231 Difference]: Finished difference. Result has 30 places, 32 transitions, 67 flow [2023-11-17 11:33:17,152 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, 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=67, PETRI_PLACES=30, PETRI_TRANSITIONS=32} [2023-11-17 11:33:17,156 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -3 predicate places. [2023-11-17 11:33:17,156 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 32 transitions, 67 flow [2023-11-17 11:33:17,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,157 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:17,157 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:17,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 11:33:17,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 11:33:17,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:17,165 INFO L85 PathProgramCache]: Analyzing trace with hash -140746090, now seen corresponding path program 1 times [2023-11-17 11:33:17,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:17,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134024284] [2023-11-17 11:33:17,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:17,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:17,895 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 11:33:17,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:17,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134024284] [2023-11-17 11:33:17,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134024284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:17,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 11:33:17,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 11:33:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774376270] [2023-11-17 11:33:17,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:17,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:33:17,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:17,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:33:17,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 11:33:17,900 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:17,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 32 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:17,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:17,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:17,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:18,200 INFO L124 PetriNetUnfolderBase]: 48/101 cut-off events. [2023-11-17 11:33:18,201 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:18,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 101 events. 48/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 247 event pairs, 38 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 213. Up to 101 conditions per place. [2023-11-17 11:33:18,203 INFO L140 encePairwiseOnDemand]: 120/124 looper letters, 31 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2023-11-17 11:33:18,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 33 transitions, 135 flow [2023-11-17 11:33:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:33:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:33:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2023-11-17 11:33:18,207 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.19086021505376344 [2023-11-17 11:33:18,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 71 transitions. [2023-11-17 11:33:18,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 71 transitions. [2023-11-17 11:33:18,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:18,214 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 71 transitions. [2023-11-17 11:33:18,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:18,216 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 11:33:18,216 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 11:33:18,216 INFO L175 Difference]: Start difference. First operand has 30 places, 32 transitions, 67 flow. Second operand 3 states and 71 transitions. [2023-11-17 11:33:18,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 33 transitions, 135 flow [2023-11-17 11:33:18,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 33 transitions, 135 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-17 11:33:18,219 INFO L231 Difference]: Finished difference. Result has 30 places, 33 transitions, 81 flow [2023-11-17 11:33:18,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=30, PETRI_TRANSITIONS=33} [2023-11-17 11:33:18,219 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -3 predicate places. [2023-11-17 11:33:18,220 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 33 transitions, 81 flow [2023-11-17 11:33:18,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:18,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:18,220 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:18,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 11:33:18,220 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 11:33:18,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:18,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1218129211, now seen corresponding path program 1 times [2023-11-17 11:33:18,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:18,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183434475] [2023-11-17 11:33:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:18,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:18,790 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 11:33:18,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:18,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183434475] [2023-11-17 11:33:18,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183434475] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:18,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28906871] [2023-11-17 11:33:18,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:18,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:18,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:18,797 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 11:33:18,902 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 11:33:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:19,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 11:33:19,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:19,570 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 11:33:19,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 11:33:19,741 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 11:33:19,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28906871] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 11:33:19,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 11:33:19,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-17 11:33:19,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386597974] [2023-11-17 11:33:19,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 11:33:19,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 11:33:19,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:19,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 11:33:19,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-17 11:33:19,744 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:19,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 33 transitions, 81 flow. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 11:33:19,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:19,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:19,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:20,366 INFO L124 PetriNetUnfolderBase]: 48/106 cut-off events. [2023-11-17 11:33:20,367 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-17 11:33:20,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 106 events. 48/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 263 event pairs, 38 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 232. Up to 101 conditions per place. [2023-11-17 11:33:20,368 INFO L140 encePairwiseOnDemand]: 116/124 looper letters, 30 selfloop transitions, 8 changer transitions 0/38 dead transitions. [2023-11-17 11:33:20,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 38 transitions, 173 flow [2023-11-17 11:33:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 11:33:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-17 11:33:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 120 transitions. [2023-11-17 11:33:20,374 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.16129032258064516 [2023-11-17 11:33:20,374 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 120 transitions. [2023-11-17 11:33:20,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 120 transitions. [2023-11-17 11:33:20,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:20,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 120 transitions. [2023-11-17 11:33:20,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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 11:33:20,382 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 11:33:20,382 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 11:33:20,382 INFO L175 Difference]: Start difference. First operand has 30 places, 33 transitions, 81 flow. Second operand 6 states and 120 transitions. [2023-11-17 11:33:20,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 38 transitions, 173 flow [2023-11-17 11:33:20,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 38 transitions, 169 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-17 11:33:20,384 INFO L231 Difference]: Finished difference. Result has 37 places, 38 transitions, 143 flow [2023-11-17 11:33:20,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=143, PETRI_PLACES=37, PETRI_TRANSITIONS=38} [2023-11-17 11:33:20,385 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2023-11-17 11:33:20,385 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 143 flow [2023-11-17 11:33:20,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 11:33:20,386 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-17 11:33:20,386 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 11:33:20,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-17 11:33:20,596 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 11:33:20,597 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 11:33:20,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 11:33:20,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1504943146, now seen corresponding path program 2 times [2023-11-17 11:33:20,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 11:33:20,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135376490] [2023-11-17 11:33:20,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 11:33:20,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 11:33:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 11:33:21,325 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 11:33:21,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 11:33:21,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135376490] [2023-11-17 11:33:21,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135376490] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 11:33:21,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681640567] [2023-11-17 11:33:21,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 11:33:21,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 11:33:21,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 11:33:21,329 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 11:33:21,350 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 11:33:21,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-17 11:33:21,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 11:33:21,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 11:33:21,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 11:33:22,008 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 11:33:22,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 11:33:22,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681640567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 11:33:22,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 11:33:22,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2023-11-17 11:33:22,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927620417] [2023-11-17 11:33:22,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 11:33:22,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 11:33:22,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 11:33:22,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 11:33:22,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-17 11:33:22,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 124 [2023-11-17 11:33:22,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 143 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:22,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-17 11:33:22,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 124 [2023-11-17 11:33:22,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-17 11:33:22,310 INFO L124 PetriNetUnfolderBase]: 39/89 cut-off events. [2023-11-17 11:33:22,311 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-17 11:33:22,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 89 events. 39/89 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 212 event pairs, 20 based on Foata normal form. 8/90 useless extension candidates. Maximal degree in co-relation 219. Up to 73 conditions per place. [2023-11-17 11:33:22,311 INFO L140 encePairwiseOnDemand]: 122/124 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2023-11-17 11:33:22,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 42 transitions, 237 flow [2023-11-17 11:33:22,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 11:33:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-17 11:33:22,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2023-11-17 11:33:22,313 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.19623655913978494 [2023-11-17 11:33:22,313 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 73 transitions. [2023-11-17 11:33:22,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 73 transitions. [2023-11-17 11:33:22,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-17 11:33:22,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 73 transitions. [2023-11-17 11:33:22,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:22,315 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 11:33:22,315 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 11:33:22,315 INFO L175 Difference]: Start difference. First operand has 37 places, 38 transitions, 143 flow. Second operand 3 states and 73 transitions. [2023-11-17 11:33:22,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 42 transitions, 237 flow [2023-11-17 11:33:22,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 42 transitions, 227 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-11-17 11:33:22,317 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2023-11-17 11:33:22,317 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=35, 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=3, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2023-11-17 11:33:22,318 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2023-11-17 11:33:22,318 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2023-11-17 11:33:22,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 11:33:22,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-17 11:33:22,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-11-17 11:33:22,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-17 11:33:22,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2023-11-17 11:33:22,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-11-17 11:33:22,335 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 11:33:22,530 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 11:33:22,531 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-11-17 11:33:22,535 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 11:33:22,536 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 11:33:22,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 11:33:22 BasicIcfg [2023-11-17 11:33:22,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 11:33:22,540 INFO L158 Benchmark]: Toolchain (without parser) took 36498.64ms. Allocated memory was 184.5MB in the beginning and 455.1MB in the end (delta: 270.5MB). Free memory was 122.5MB in the beginning and 116.2MB in the end (delta: 6.3MB). Peak memory consumption was 279.4MB. Max. memory is 8.0GB. [2023-11-17 11:33:22,540 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 11:33:22,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5838.83ms. Allocated memory was 184.5MB in the beginning and 293.6MB in the end (delta: 109.1MB). Free memory was 122.5MB in the beginning and 180.1MB in the end (delta: -57.7MB). Peak memory consumption was 192.9MB. Max. memory is 8.0GB. [2023-11-17 11:33:22,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.39ms. Allocated memory is still 293.6MB. Free memory was 180.1MB in the beginning and 168.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 11:33:22,544 INFO L158 Benchmark]: Boogie Preprocessor took 100.65ms. Allocated memory is still 293.6MB. Free memory was 168.6MB in the beginning and 162.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-11-17 11:33:22,544 INFO L158 Benchmark]: RCFGBuilder took 1901.79ms. Allocated memory was 293.6MB in the beginning and 378.5MB in the end (delta: 84.9MB). Free memory was 162.8MB in the beginning and 296.2MB in the end (delta: -133.4MB). Peak memory consumption was 113.0MB. Max. memory is 8.0GB. [2023-11-17 11:33:22,545 INFO L158 Benchmark]: TraceAbstraction took 28475.35ms. Allocated memory was 378.5MB in the beginning and 455.1MB in the end (delta: 76.5MB). Free memory was 295.7MB in the beginning and 116.2MB in the end (delta: 179.5MB). Peak memory consumption was 256.6MB. Max. memory is 8.0GB. [2023-11-17 11:33:22,547 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 184.5MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5838.83ms. Allocated memory was 184.5MB in the beginning and 293.6MB in the end (delta: 109.1MB). Free memory was 122.5MB in the beginning and 180.1MB in the end (delta: -57.7MB). Peak memory consumption was 192.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 175.39ms. Allocated memory is still 293.6MB. Free memory was 180.1MB in the beginning and 168.6MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.65ms. Allocated memory is still 293.6MB. Free memory was 168.6MB in the beginning and 162.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1901.79ms. Allocated memory was 293.6MB in the beginning and 378.5MB in the end (delta: 84.9MB). Free memory was 162.8MB in the beginning and 296.2MB in the end (delta: -133.4MB). Peak memory consumption was 113.0MB. Max. memory is 8.0GB. * TraceAbstraction took 28475.35ms. Allocated memory was 378.5MB in the beginning and 455.1MB in the end (delta: 76.5MB). Free memory was 295.7MB in the beginning and 116.2MB in the end (delta: 179.5MB). Peak memory consumption was 256.6MB. 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: 22.1s, 51 PlacesBefore, 33 PlacesAfterwards, 69 TransitionsBefore, 48 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 4 FixpointIterations, 27 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 2 ConcurrentYvCompositions, 3 ChoiceCompositions, 51 TotalNumberOfCompositions, 258 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 169, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 74, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 74, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10783, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 10775, unknown conditional: 0, unknown unconditional: 10775] ], Cache Queries: [ total: 169, independent: 85, independent conditional: 0, independent unconditional: 85, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 81, unknown conditional: 0, unknown unconditional: 81] , Statistics on independence cache: Total cache size (in pairs): 26, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2 - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 174]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 63 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 28.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 22.1s, 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, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 0 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred 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, 1.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 48 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1113 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 11:33:22,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...