./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6568ba33 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 --- Real Ultimate output --- This is Ultimate 0.2.3-?-6568ba3-m [2023-11-23 22:12:45,090 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:12:45,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-23 22:12:45,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:12:45,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:12:45,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:12:45,229 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:12:45,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:12:45,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:12:45,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:12:45,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:12:45,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:12:45,235 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:12:45,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:12:45,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:12:45,237 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:12:45,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:12:45,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:12:45,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:12:45,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:12:45,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:12:45,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:12:45,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:12:45,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:12:45,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:12:45,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:12:45,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:12:45,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:12:45,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:12:45,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:12:45,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:12:45,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:12:45,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:12:45,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:12:45,242 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-23 22:12:45,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:12:45,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:12:45,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-23 22:12:45,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:12:45,244 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-23 22:12:45,244 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-23 22:12:45,244 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 [2023-11-23 22:12:45,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:12:45,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:12:45,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:12:45,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:12:45,550 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:12:45,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-23 22:12:46,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:12:47,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:12:47,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-23 22:12:47,261 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ba8c4328/eef03fc6c57c4463a2a0c25b5890971a/FLAG1bc9f2ba8 [2023-11-23 22:12:47,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8ba8c4328/eef03fc6c57c4463a2a0c25b5890971a [2023-11-23 22:12:47,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:12:47,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:12:47,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:12:47,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:12:47,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:12:47,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:12:47" (1/1) ... [2023-11-23 22:12:47,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eecb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:47, skipping insertion in model container [2023-11-23 22:12:47,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:12:47" (1/1) ... [2023-11-23 22:12:47,453 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:12:47,781 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i[5469,5482] [2023-11-23 22:12:50,999 WARN L1590 CHandler]: Possible shadowing of function iminor [2023-11-23 22:12:51,000 WARN L1590 CHandler]: Possible shadowing of function iminor [2023-11-23 22:12:51,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:12:51,087 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:12:51,102 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i[5469,5482] [2023-11-23 22:12:51,185 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] [2023-11-23 22:12:51,187 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] [2023-11-23 22:12:51,187 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] [2023-11-23 22:12:51,188 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] [2023-11-23 22:12:51,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5814] [2023-11-23 22:12:51,330 WARN L1590 CHandler]: Possible shadowing of function iminor [2023-11-23 22:12:51,331 WARN L1590 CHandler]: Possible shadowing of function iminor [2023-11-23 22:12:51,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:12:51,967 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:12:51,967 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:12:51,968 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:12:51,968 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:12:51,968 WARN L675 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:12:51,968 WARN L675 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:12:51,975 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:12:51,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51 WrapperNode [2023-11-23 22:12:51,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:12:51,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:12:51,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:12:51,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:12:51,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,183 INFO L138 Inliner]: procedures = 1393, calls = 1529, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 801 [2023-11-23 22:12:52,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:12:52,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:12:52,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:12:52,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:12:52,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:12:52,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:12:52,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:12:52,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:12:52,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (1/1) ... [2023-11-23 22:12:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:12:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 22:12:52,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:12:52,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:12:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 22:12:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:12:52,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:12:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 22:12:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:12:52,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:12:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 22:12:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:12:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 22:12:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 22:12:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-23 22:12:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-23 22:12:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 22:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 22:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 22:12:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-23 22:12:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-11-23 22:12:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 22:12:52,407 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 22:12:52,792 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:12:52,795 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:12:53,688 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:12:54,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:12:54,573 INFO L309 CfgBuilder]: Removed 25 assume(true) statements. [2023-11-23 22:12:54,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:12:54 BoogieIcfgContainer [2023-11-23 22:12:54,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:12:54,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:12:54,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:12:54,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:12:54,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:12:47" (1/3) ... [2023-11-23 22:12:54,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fe7da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:12:54, skipping insertion in model container [2023-11-23 22:12:54,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:12:51" (2/3) ... [2023-11-23 22:12:54,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15fe7da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:12:54, skipping insertion in model container [2023-11-23 22:12:54,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:12:54" (3/3) ... [2023-11-23 22:12:54,584 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-11-23 22:12:54,595 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 22:12:54,604 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:12:54,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 22:12:54,605 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 22:12:54,680 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-23 22:12:54,718 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:12:54,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 22:12:54,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 22:12:54,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-23 22:12:54,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-23 22:12:54,768 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 22:12:54,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-23 22:12:54,790 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@824f045, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:12:54,791 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 22:12:59,221 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-23 22:12:59,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:12:59,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1146198306, now seen corresponding path program 1 times [2023-11-23 22:12:59,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:12:59,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240923590] [2023-11-23 22:12:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:12:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:12:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:13:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:13:00,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:13:00,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240923590] [2023-11-23 22:13:00,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240923590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:13:00,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:13:00,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:13:00,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467383403] [2023-11-23 22:13:00,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:13:00,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:13:00,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:13:00,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:13:00,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:13:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:00,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 22:13:00,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-23 22:13:00,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:00,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:13:00,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-23 22:13:00,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-23 22:13:00,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-23 22:13:00,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:13:00,576 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 22:13:00,579 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2023-11-23 22:13:00,585 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:13:00,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-23 22:13:00,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 22:13:00,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-23 22:13:00,630 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-23 22:13:00,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0 ======== [2023-11-23 22:13:00,632 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@824f045, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:13:00,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:13:00,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-23 22:13:05,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:13:05,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:13:05,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1481440145, now seen corresponding path program 1 times [2023-11-23 22:13:05,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:13:05,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105079787] [2023-11-23 22:13:05,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:13:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:13:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:13:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:13:05,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:13:05,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105079787] [2023-11-23 22:13:05,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105079787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:13:05,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:13:05,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:13:05,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130018899] [2023-11-23 22:13:05,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:13:05,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:13:05,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:13:05,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:13:05,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:13:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:05,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 22:13:05,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-23 22:13:05,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:13:05,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:13:05,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:13:05,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:13:05,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1542945242, now seen corresponding path program 1 times [2023-11-23 22:13:05,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:13:05,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146966837] [2023-11-23 22:13:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:13:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:13:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:13:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:13:06,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:13:06,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146966837] [2023-11-23 22:13:06,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146966837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:13:06,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:13:06,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:13:06,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655231487] [2023-11-23 22:13:06,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:13:06,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:13:06,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:13:06,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:13:06,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:13:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:06,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 22:13:06,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2023-11-23 22:13:06,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:13:06,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:06,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:13:06,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:13:06,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:13:06,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:13:06,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:13:06,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1699270283, now seen corresponding path program 1 times [2023-11-23 22:13:06,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:13:06,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450940797] [2023-11-23 22:13:06,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:13:06,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:13:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:13:07,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:13:07,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:13:07,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450940797] [2023-11-23 22:13:07,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450940797] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:13:07,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104807532] [2023-11-23 22:13:07,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:13:07,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:13:07,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-23 22:13:07,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:13:07,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 22:13:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:13:07,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:13:07,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:13:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 22:13:07,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:13:07,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104807532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:13:07,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:13:07,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2023-11-23 22:13:07,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314899732] [2023-11-23 22:13:07,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:13:07,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:13:07,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:13:07,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:13:07,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:13:07,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:07,994 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-23 22:13:07,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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) [2023-11-23 22:13:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:13:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:13:07,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:13:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:13:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:13:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:13:15,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:13:15,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:13:15,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:13:15,370 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 22:13:15,370 INFO L307 ceAbstractionStarter]: Result for error location whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0 was SAFE (2/2) [2023-11-23 22:13:15,371 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 22:13:15,371 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:13:15,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:13:15 BasicIcfg [2023-11-23 22:13:15,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:13:15,376 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:13:15,376 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:13:15,376 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:13:15,376 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:12:54" (3/4) ... [2023-11-23 22:13:15,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:13:15,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-11-23 22:13:15,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_set [2023-11-23 22:13:15,406 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 454 nodes and edges [2023-11-23 22:13:15,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2023-11-23 22:13:15,408 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2023-11-23 22:13:15,409 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-23 22:13:15,410 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 22:13:15,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2023-11-23 22:13:15,542 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2023-11-23 22:13:15,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:13:15,544 INFO L158 Benchmark]: Toolchain (without parser) took 28263.47ms. Allocated memory was 159.4MB in the beginning and 394.3MB in the end (delta: 234.9MB). Free memory was 82.0MB in the beginning and 181.6MB in the end (delta: -99.6MB). Peak memory consumption was 136.5MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,544 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:13:15,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4694.27ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 81.7MB in the beginning and 169.7MB in the end (delta: -88.0MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.78ms. Allocated memory is still 249.6MB. Free memory was 169.7MB in the beginning and 157.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,545 INFO L158 Benchmark]: Boogie Preprocessor took 111.48ms. Allocated memory is still 249.6MB. Free memory was 157.2MB in the beginning and 150.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,545 INFO L158 Benchmark]: RCFGBuilder took 2277.81ms. Allocated memory is still 249.6MB. Free memory was 150.8MB in the beginning and 108.3MB in the end (delta: 42.6MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,546 INFO L158 Benchmark]: TraceAbstraction took 20799.00ms. Allocated memory was 249.6MB in the beginning and 394.3MB in the end (delta: 144.7MB). Free memory was 108.3MB in the beginning and 195.2MB in the end (delta: -87.0MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,546 INFO L158 Benchmark]: Witness Printer took 167.17ms. Allocated memory is still 394.3MB. Free memory was 195.2MB in the beginning and 181.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 22:13:15,548 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4694.27ms. Allocated memory was 159.4MB in the beginning and 249.6MB in the end (delta: 90.2MB). Free memory was 81.7MB in the beginning and 169.7MB in the end (delta: -88.0MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.78ms. Allocated memory is still 249.6MB. Free memory was 169.7MB in the beginning and 157.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.48ms. Allocated memory is still 249.6MB. Free memory was 157.2MB in the beginning and 150.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2277.81ms. Allocated memory is still 249.6MB. Free memory was 150.8MB in the beginning and 108.3MB in the end (delta: 42.6MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * TraceAbstraction took 20799.00ms. Allocated memory was 249.6MB in the beginning and 394.3MB in the end (delta: 144.7MB). Free memory was 108.3MB in the beginning and 195.2MB in the end (delta: -87.0MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. * Witness Printer took 167.17ms. Allocated memory is still 394.3MB. Free memory was 195.2MB in the beginning and 181.6MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * 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: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 233, independent: 185, independent conditional: 22, independent unconditional: 163, dependent: 42, dependent conditional: 41, dependent unconditional: 1, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 185, independent conditional: 22, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192, independent: 185, independent conditional: 22, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7, unknown conditional: 1, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 193, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 193, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168, independent: 163, independent conditional: 0, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 168, independent: 162, independent conditional: 0, independent unconditional: 162, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4383, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 4294, unknown conditional: 0, unknown unconditional: 4294] , Protected Queries: 0 ], Cache Queries: [ total: 193, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 171, unknown conditional: 0, unknown unconditional: 171] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 163, Positive conditional cache size: 0, Positive unconditional cache size: 163, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 41 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 4.4s, Number of persistent set computation: 36, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 168, independent: 163, independent conditional: 0, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 233, independent: 185, independent conditional: 22, independent unconditional: 163, dependent: 42, dependent conditional: 41, dependent unconditional: 1, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 192, independent: 185, independent conditional: 22, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 192, independent: 185, independent conditional: 22, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 6, unknown conditional: 2, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 193, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7, unknown conditional: 1, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 193, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 193, independent: 185, independent conditional: 0, independent unconditional: 185, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168, independent: 163, independent conditional: 0, independent unconditional: 163, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 168, independent: 162, independent conditional: 0, independent unconditional: 162, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4383, independent: 57, independent conditional: 0, independent unconditional: 57, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 4294, unknown conditional: 0, unknown unconditional: 4294] , Protected Queries: 0 ], Cache Queries: [ total: 193, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 171, unknown conditional: 0, unknown unconditional: 171] , Statistics on independence cache: Total cache size (in pairs): 164, Positive cache size: 163, Positive conditional cache size: 0, Positive unconditional cache size: 163, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 41 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 622, independent: 476, independent conditional: 200, independent unconditional: 276, dependent: 134, dependent conditional: 123, dependent unconditional: 11, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 511, independent: 476, independent conditional: 200, independent unconditional: 276, dependent: 23, dependent conditional: 12, dependent unconditional: 11, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 511, independent: 476, independent conditional: 200, independent unconditional: 276, dependent: 23, dependent conditional: 12, dependent unconditional: 11, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 543, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 45, dependent conditional: 22, dependent unconditional: 23, unknown: 22, unknown conditional: 10, unknown unconditional: 12] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 543, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 45, dependent conditional: 6, dependent unconditional: 39, unknown: 22, unknown conditional: 5, unknown unconditional: 17] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 543, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 45, dependent conditional: 6, dependent unconditional: 39, unknown: 22, unknown conditional: 5, unknown unconditional: 17] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 298, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 10, unknown conditional: 3, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 298, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 10, unknown conditional: 3, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 10, unknown conditional: 3, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10988, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 144, dependent conditional: 3, dependent unconditional: 141, unknown: 10785, unknown conditional: 3245, unknown unconditional: 7540] , Protected Queries: 0 ], Cache Queries: [ total: 543, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 310, unknown conditional: 6, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 276, Positive conditional cache size: 0, Positive unconditional cache size: 276, Negative cache size: 12, Negative conditional cache size: 1, Negative unconditional cache size: 11, Unknown cache size: 10, Unknown conditional cache size: 3, Unknown unconditional cache size: 7, Eliminated conditions: 21, Maximal queried relation: 2, Independence queries for same thread: 111 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 7.8s, Number of persistent set computation: 86, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 294, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 622, independent: 476, independent conditional: 200, independent unconditional: 276, dependent: 134, dependent conditional: 123, dependent unconditional: 11, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 511, independent: 476, independent conditional: 200, independent unconditional: 276, dependent: 23, dependent conditional: 12, dependent unconditional: 11, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 511, independent: 476, independent conditional: 200, independent unconditional: 276, dependent: 23, dependent conditional: 12, dependent unconditional: 11, unknown: 12, unknown conditional: 5, unknown unconditional: 7] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 543, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 45, dependent conditional: 22, dependent unconditional: 23, unknown: 22, unknown conditional: 10, unknown unconditional: 12] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 543, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 45, dependent conditional: 6, dependent unconditional: 39, unknown: 22, unknown conditional: 5, unknown unconditional: 17] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 543, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 45, dependent conditional: 6, dependent unconditional: 39, unknown: 22, unknown conditional: 5, unknown unconditional: 17] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 298, independent: 276, independent conditional: 0, independent unconditional: 276, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 10, unknown conditional: 3, unknown unconditional: 7] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 298, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 10, unknown conditional: 3, unknown unconditional: 7] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 12, dependent conditional: 1, dependent unconditional: 11, unknown: 10, unknown conditional: 3, unknown unconditional: 7] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10988, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 144, dependent conditional: 3, dependent unconditional: 141, unknown: 10785, unknown conditional: 3245, unknown unconditional: 7540] , Protected Queries: 0 ], Cache Queries: [ total: 543, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 310, unknown conditional: 6, unknown unconditional: 304] , Statistics on independence cache: Total cache size (in pairs): 288, Positive cache size: 276, Positive conditional cache size: 0, Positive unconditional cache size: 276, Negative cache size: 12, Negative conditional cache size: 1, Negative unconditional cache size: 11, Unknown cache size: 10, Unknown conditional cache size: 3, Unknown unconditional cache size: 7, Eliminated conditions: 21, Maximal queried relation: 2, Independence queries for same thread: 111 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 69 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 69 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 12.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 8 NumberOfNonLiveVariables, 749 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 22:13:15,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:13:15,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-23 22:13:15,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE