./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc093ebb342e6e2aeac5659b7fad110e8a742c2f2123ff4689086ab884a6098d --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 23:41:48,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 23:41:48,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 23:41:48,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 23:41:48,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 23:41:48,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 23:41:48,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 23:41:48,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 23:41:48,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 23:41:48,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 23:41:48,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 23:41:48,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 23:41:48,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 23:41:48,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 23:41:48,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 23:41:48,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 23:41:48,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 23:41:48,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 23:41:48,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 23:41:48,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 23:41:48,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 23:41:48,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 23:41:48,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 23:41:48,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 23:41:48,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 23:41:48,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 23:41:48,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 23:41:48,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 23:41:48,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 23:41:48,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 23:41:48,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 23:41:48,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 23:41:48,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 23:41:48,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 23:41:48,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 23:41:48,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 23:41:48,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 23:41:48,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 23:41:48,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 23:41:48,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 23:41:48,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 23:41:48,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 23:41:48,143 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 23:41:48,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 23:41:48,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 23:41:48,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 23:41:48,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 23:41:48,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 23:41:48,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 23:41:48,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 23:41:48,147 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 23:41:48,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 23:41:48,147 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 23:41:48,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 23:41:48,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 23:41:48,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 23:41:48,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 23:41:48,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 23:41:48,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 23:41:48,149 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 23:41:48,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 23:41:48,149 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 23:41:48,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 23:41:48,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 23:41:48,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 23:41:48,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 23:41:48,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 23:41:48,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 23:41:48,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 23:41:48,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 23:41:48,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 23:41:48,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 23:41:48,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 23:41:48,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 23:41:48,151 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 23:41:48,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 23:41:48,152 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 23:41:48,152 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc093ebb342e6e2aeac5659b7fad110e8a742c2f2123ff4689086ab884a6098d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 23:41:48,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 23:41:48,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 23:41:48,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 23:41:48,474 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 23:41:48,474 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 23:41:48,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-30 23:41:49,737 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 23:41:50,194 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 23:41:50,194 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-30 23:41:50,241 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33c8b46b4/57b4f20707034a158205cbe2c195d79d/FLAGf54455de6 [2023-08-30 23:41:50,261 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33c8b46b4/57b4f20707034a158205cbe2c195d79d [2023-08-30 23:41:50,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 23:41:50,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 23:41:50,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 23:41:50,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 23:41:50,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 23:41:50,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:41:50" (1/1) ... [2023-08-30 23:41:50,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e4711c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:50, skipping insertion in model container [2023-08-30 23:41:50,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:41:50" (1/1) ... [2023-08-30 23:41:50,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 23:41:50,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 23:41:50,699 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-08-30 23:41:53,511 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 23:41:54,070 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:41:54,073 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:41:54,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 23:41:54,166 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 23:41:54,179 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i[5469,5482] [2023-08-30 23:41:54,374 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 23:41:54,432 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:41:54,433 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:41:54,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 23:41:55,115 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,116 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,116 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,116 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,116 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,116 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,117 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:41:55,123 INFO L208 MainTranslator]: Completed translation [2023-08-30 23:41:55,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55 WrapperNode [2023-08-30 23:41:55,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 23:41:55,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 23:41:55,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 23:41:55,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 23:41:55,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,316 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 54, statements flattened = 726 [2023-08-30 23:41:55,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 23:41:55,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 23:41:55,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 23:41:55,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 23:41:55,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 23:41:55,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 23:41:55,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 23:41:55,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 23:41:55,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (1/1) ... [2023-08-30 23:41:55,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 23:41:55,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 23:41:55,462 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) [2023-08-30 23:41:55,482 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 [2023-08-30 23:41:55,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 23:41:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 23:41:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 23:41:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 23:41:55,497 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-30 23:41:55,497 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-30 23:41:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 23:41:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 23:41:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 23:41:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 23:41:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 23:41:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 23:41:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 23:41:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 23:41:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 23:41:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 23:41:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 23:41:55,502 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 23:41:56,039 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 23:41:56,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 23:41:56,745 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 23:41:56,757 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 23:41:56,757 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-30 23:41:56,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:41:56 BoogieIcfgContainer [2023-08-30 23:41:56,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 23:41:56,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 23:41:56,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 23:41:56,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 23:41:56,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 11:41:50" (1/3) ... [2023-08-30 23:41:56,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ad7ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:41:56, skipping insertion in model container [2023-08-30 23:41:56,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:41:55" (2/3) ... [2023-08-30 23:41:56,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ad7ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:41:56, skipping insertion in model container [2023-08-30 23:41:56,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:41:56" (3/3) ... [2023-08-30 23:41:56,769 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_get.i [2023-08-30 23:41:56,775 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 23:41:56,783 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 23:41:56,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-30 23:41:56,784 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 23:41:56,903 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 23:41:57,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 744 places, 792 transitions, 1600 flow [2023-08-30 23:41:57,314 INFO L130 PetriNetUnfolder]: 55/790 cut-off events. [2023-08-30 23:41:57,315 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 23:41:57,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 790 events. 55/790 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1086 event pairs, 0 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 633. Up to 9 conditions per place. [2023-08-30 23:41:57,324 INFO L82 GeneralOperation]: Start removeDead. Operand has 744 places, 792 transitions, 1600 flow [2023-08-30 23:41:57,335 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 734 places, 782 transitions, 1573 flow [2023-08-30 23:41:57,338 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 23:41:57,349 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 734 places, 782 transitions, 1573 flow [2023-08-30 23:41:57,355 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 734 places, 782 transitions, 1573 flow [2023-08-30 23:41:57,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 734 places, 782 transitions, 1573 flow [2023-08-30 23:41:57,536 INFO L130 PetriNetUnfolder]: 55/782 cut-off events. [2023-08-30 23:41:57,536 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 23:41:57,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 790 conditions, 782 events. 55/782 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1022 event pairs, 0 based on Foata normal form. 0/724 useless extension candidates. Maximal degree in co-relation 633. Up to 9 conditions per place. [2023-08-30 23:41:57,549 INFO L119 LiptonReduction]: Number of co-enabled transitions 13356 [2023-08-30 23:43:06,641 WARN L222 SmtUtils]: Spent 14.03s on a formula simplification that was a NOOP. DAG size: 366 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:43:14,420 WARN L222 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:43:29,416 WARN L222 SmtUtils]: Spent 14.99s on a formula simplification that was a NOOP. DAG size: 369 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:43:36,656 WARN L222 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 327 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:44:38,836 WARN L222 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 583 DAG size of output: 581 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:45:09,583 WARN L222 SmtUtils]: Spent 30.74s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:46:14,924 WARN L222 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 586 DAG size of output: 584 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:46:47,562 WARN L222 SmtUtils]: Spent 32.63s on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:47:05,473 INFO L134 LiptonReduction]: Checked pairs total: 10608 [2023-08-30 23:47:05,473 INFO L136 LiptonReduction]: Total number of compositions: 869 [2023-08-30 23:47:05,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 23:47:05,496 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6a080de9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 23:47:05,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-30 23:47:05,505 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 23:47:05,505 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 23:47:05,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 23:47:05,506 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 23:47:05,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-30 23:47:05,511 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 23:47:05,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2907106, now seen corresponding path program 1 times [2023-08-30 23:47:05,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 23:47:05,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469822048] [2023-08-30 23:47:05,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 23:47:05,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 23:47:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 23:47:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:47:06,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 23:47:06,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469822048] [2023-08-30 23:47:06,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469822048] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 23:47:06,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 23:47:06,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 23:47:06,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927500915] [2023-08-30 23:47:06,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 23:47:06,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 23:47:06,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 23:47:06,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 23:47:06,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 23:47:06,075 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 754 out of 1661 [2023-08-30 23:47:06,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 49 transitions, 107 flow. Second operand has 2 states, 2 states have (on average 755.5) internal successors, (1511), 2 states have internal predecessors, (1511), 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) [2023-08-30 23:47:06,081 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 23:47:06,081 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 754 of 1661 [2023-08-30 23:47:06,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 23:47:06,309 INFO L130 PetriNetUnfolder]: 61/127 cut-off events. [2023-08-30 23:47:06,309 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2023-08-30 23:47:06,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 127 events. 61/127 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 325 event pairs, 51 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 170. Up to 128 conditions per place. [2023-08-30 23:47:06,311 INFO L137 encePairwiseOnDemand]: 1647/1661 looper letters, 34 selfloop transitions, 0 changer transitions 1/35 dead transitions. [2023-08-30 23:47:06,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-08-30 23:47:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 23:47:06,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 23:47:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1557 transitions. [2023-08-30 23:47:06,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4686935580975316 [2023-08-30 23:47:06,336 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1557 transitions. [2023-08-30 23:47:06,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1557 transitions. [2023-08-30 23:47:06,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 23:47:06,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1557 transitions. [2023-08-30 23:47:06,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 778.5) internal successors, (1557), 2 states have internal predecessors, (1557), 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) [2023-08-30 23:47:06,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1661.0) internal successors, (4983), 3 states have internal predecessors, (4983), 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) [2023-08-30 23:47:06,369 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1661.0) internal successors, (4983), 3 states have internal predecessors, (4983), 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) [2023-08-30 23:47:06,370 INFO L175 Difference]: Start difference. First operand has 34 places, 49 transitions, 107 flow. Second operand 2 states and 1557 transitions. [2023-08-30 23:47:06,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-08-30 23:47:06,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 23:47:06,377 INFO L231 Difference]: Finished difference. Result has 30 places, 34 transitions, 72 flow [2023-08-30 23:47:06,379 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1661, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=72, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2023-08-30 23:47:06,384 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -4 predicate places. [2023-08-30 23:47:06,384 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 72 flow [2023-08-30 23:47:06,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 755.5) internal successors, (1511), 2 states have internal predecessors, (1511), 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) [2023-08-30 23:47:06,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 23:47:06,385 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 23:47:06,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 23:47:06,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-30 23:47:06,393 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 23:47:06,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1199790467, now seen corresponding path program 1 times [2023-08-30 23:47:06,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 23:47:06,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852057498] [2023-08-30 23:47:06,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 23:47:06,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 23:47:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 23:47:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:47:07,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 23:47:07,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852057498] [2023-08-30 23:47:07,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852057498] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 23:47:07,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 23:47:07,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 23:47:07,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526493827] [2023-08-30 23:47:07,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 23:47:07,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 23:47:07,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 23:47:07,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 23:47:07,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 23:47:07,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 746 out of 1661 [2023-08-30 23:47:07,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 749.0) internal successors, (2247), 3 states have internal predecessors, (2247), 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) [2023-08-30 23:47:07,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 23:47:07,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 746 of 1661 [2023-08-30 23:47:07,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 23:47:08,439 INFO L130 PetriNetUnfolder]: 52/111 cut-off events. [2023-08-30 23:47:08,439 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-30 23:47:08,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 111 events. 52/111 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 264 event pairs, 42 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 229. Up to 111 conditions per place. [2023-08-30 23:47:08,440 INFO L137 encePairwiseOnDemand]: 1657/1661 looper letters, 33 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2023-08-30 23:47:08,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 35 transitions, 144 flow [2023-08-30 23:47:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 23:47:08,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 23:47:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2275 transitions. [2023-08-30 23:47:08,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4565522777443307 [2023-08-30 23:47:08,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2275 transitions. [2023-08-30 23:47:08,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2275 transitions. [2023-08-30 23:47:08,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 23:47:08,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2275 transitions. [2023-08-30 23:47:08,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 758.3333333333334) internal successors, (2275), 3 states have internal predecessors, (2275), 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) [2023-08-30 23:47:08,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1661.0) internal successors, (6644), 4 states have internal predecessors, (6644), 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) [2023-08-30 23:47:08,466 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1661.0) internal successors, (6644), 4 states have internal predecessors, (6644), 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) [2023-08-30 23:47:08,466 INFO L175 Difference]: Start difference. First operand has 30 places, 34 transitions, 72 flow. Second operand 3 states and 2275 transitions. [2023-08-30 23:47:08,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 35 transitions, 144 flow [2023-08-30 23:47:08,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 144 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 23:47:08,468 INFO L231 Difference]: Finished difference. Result has 32 places, 35 transitions, 86 flow [2023-08-30 23:47:08,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1661, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=32, PETRI_TRANSITIONS=35} [2023-08-30 23:47:08,468 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2023-08-30 23:47:08,469 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 35 transitions, 86 flow [2023-08-30 23:47:08,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 749.0) internal successors, (2247), 3 states have internal predecessors, (2247), 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) [2023-08-30 23:47:08,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 23:47:08,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 23:47:08,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 23:47:08,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-30 23:47:08,471 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 23:47:08,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1010626989, now seen corresponding path program 1 times [2023-08-30 23:47:08,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 23:47:08,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200229131] [2023-08-30 23:47:08,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 23:47:08,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 23:47:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 23:47:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:47:09,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 23:47:09,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200229131] [2023-08-30 23:47:09,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200229131] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 23:47:09,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045178735] [2023-08-30 23:47:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 23:47:09,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 23:47:09,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 23:47:09,433 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) [2023-08-30 23:47:09,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 23:47:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 23:47:10,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-30 23:47:10,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 23:47:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:47:10,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 23:47:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:47:10,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045178735] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 23:47:10,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 23:47:10,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-30 23:47:10,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091126630] [2023-08-30 23:47:10,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 23:47:10,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 23:47:10,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 23:47:10,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 23:47:10,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-08-30 23:47:10,855 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 742 out of 1661 [2023-08-30 23:47:10,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 35 transitions, 86 flow. Second operand has 8 states, 8 states have (on average 744.0) internal successors, (5952), 8 states have internal predecessors, (5952), 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) [2023-08-30 23:47:10,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 23:47:10,861 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 742 of 1661 [2023-08-30 23:47:10,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 23:47:11,653 INFO L130 PetriNetUnfolder]: 52/116 cut-off events. [2023-08-30 23:47:11,654 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-30 23:47:11,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 116 events. 52/116 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 278 event pairs, 42 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 248. Up to 106 conditions per place. [2023-08-30 23:47:11,655 INFO L137 encePairwiseOnDemand]: 1653/1661 looper letters, 28 selfloop transitions, 12 changer transitions 0/40 dead transitions. [2023-08-30 23:47:11,655 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 182 flow [2023-08-30 23:47:11,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 23:47:11,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 23:47:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 5244 transitions. [2023-08-30 23:47:11,667 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4510191794960007 [2023-08-30 23:47:11,668 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 5244 transitions. [2023-08-30 23:47:11,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 5244 transitions. [2023-08-30 23:47:11,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 23:47:11,671 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 5244 transitions. [2023-08-30 23:47:11,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 749.1428571428571) internal successors, (5244), 7 states have internal predecessors, (5244), 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) [2023-08-30 23:47:11,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1661.0) internal successors, (13288), 8 states have internal predecessors, (13288), 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) [2023-08-30 23:47:11,706 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1661.0) internal successors, (13288), 8 states have internal predecessors, (13288), 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) [2023-08-30 23:47:11,709 INFO L175 Difference]: Start difference. First operand has 32 places, 35 transitions, 86 flow. Second operand 7 states and 5244 transitions. [2023-08-30 23:47:11,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 182 flow [2023-08-30 23:47:11,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 178 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 23:47:11,711 INFO L231 Difference]: Finished difference. Result has 37 places, 40 transitions, 126 flow [2023-08-30 23:47:11,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1661, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=126, PETRI_PLACES=37, PETRI_TRANSITIONS=40} [2023-08-30 23:47:11,713 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 3 predicate places. [2023-08-30 23:47:11,713 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 40 transitions, 126 flow [2023-08-30 23:47:11,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 744.0) internal successors, (5952), 8 states have internal predecessors, (5952), 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) [2023-08-30 23:47:11,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 23:47:11,716 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 23:47:11,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-30 23:47:11,926 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 [2023-08-30 23:47:11,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-30 23:47:11,927 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 23:47:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1966937091, now seen corresponding path program 2 times [2023-08-30 23:47:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 23:47:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263482143] [2023-08-30 23:47:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 23:47:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 23:47:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 23:47:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:47:13,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 23:47:13,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263482143] [2023-08-30 23:47:13,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263482143] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 23:47:13,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084928677] [2023-08-30 23:47:13,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 23:47:13,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 23:47:13,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 23:47:13,157 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) [2023-08-30 23:47:13,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-30 23:47:14,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-30 23:47:14,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 23:47:14,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 21 conjunts are in the unsatisfiable core [2023-08-30 23:47:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 23:47:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-30 23:47:14,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 23:47:14,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084928677] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 23:47:14,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 23:47:14,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 8 [2023-08-30 23:47:14,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347689592] [2023-08-30 23:47:14,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 23:47:14,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 23:47:14,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 23:47:14,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 23:47:14,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-08-30 23:47:14,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 750 out of 1661 [2023-08-30 23:47:14,589 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 40 transitions, 126 flow. Second operand has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 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) [2023-08-30 23:47:14,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 23:47:14,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 750 of 1661 [2023-08-30 23:47:14,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 23:47:15,133 INFO L130 PetriNetUnfolder]: 43/99 cut-off events. [2023-08-30 23:47:15,134 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 23:47:15,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 99 events. 43/99 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 8/98 useless extension candidates. Maximal degree in co-relation 226. Up to 66 conditions per place. [2023-08-30 23:47:15,134 INFO L137 encePairwiseOnDemand]: 1657/1661 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2023-08-30 23:47:15,135 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 44 transitions, 223 flow [2023-08-30 23:47:15,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 23:47:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 23:47:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2289 transitions. [2023-08-30 23:47:15,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4593618302227574 [2023-08-30 23:47:15,141 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2289 transitions. [2023-08-30 23:47:15,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2289 transitions. [2023-08-30 23:47:15,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 23:47:15,143 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2289 transitions. [2023-08-30 23:47:15,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 763.0) internal successors, (2289), 3 states have internal predecessors, (2289), 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) [2023-08-30 23:47:15,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1661.0) internal successors, (6644), 4 states have internal predecessors, (6644), 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) [2023-08-30 23:47:15,168 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1661.0) internal successors, (6644), 4 states have internal predecessors, (6644), 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) [2023-08-30 23:47:15,168 INFO L175 Difference]: Start difference. First operand has 37 places, 40 transitions, 126 flow. Second operand 3 states and 2289 transitions. [2023-08-30 23:47:15,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 44 transitions, 223 flow [2023-08-30 23:47:15,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 200 flow, removed 7 selfloop flow, removed 3 redundant places. [2023-08-30 23:47:15,170 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow [2023-08-30 23:47:15,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1661, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0} [2023-08-30 23:47:15,171 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places. [2023-08-30 23:47:15,171 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow [2023-08-30 23:47:15,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 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) [2023-08-30 23:47:15,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-08-30 23:47:15,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-08-30 23:47:15,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-30 23:47:15,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2023-08-30 23:47:15,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2023-08-30 23:47:15,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2023-08-30 23:47:15,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2023-08-30 23:47:15,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-30 23:47:15,386 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 [2023-08-30 23:47:15,386 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-08-30 23:47:15,390 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 23:47:15,390 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 23:47:15,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 11:47:15 BasicIcfg [2023-08-30 23:47:15,394 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 23:47:15,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 23:47:15,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 23:47:15,395 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 23:47:15,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:41:56" (3/4) ... [2023-08-30 23:47:15,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 23:47:15,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_change [2023-08-30 23:47:15,402 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 23:47:15,421 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 23:47:15,423 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 23:47:15,423 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 23:47:15,424 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 23:47:15,509 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 23:47:15,509 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 23:47:15,510 INFO L158 Benchmark]: Toolchain (without parser) took 325245.95ms. Allocated memory was 67.1MB in the beginning and 343.9MB in the end (delta: 276.8MB). Free memory was 37.7MB in the beginning and 87.4MB in the end (delta: -49.6MB). Peak memory consumption was 226.3MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,510 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 23:47:15,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4856.72ms. Allocated memory was 67.1MB in the beginning and 138.4MB in the end (delta: 71.3MB). Free memory was 37.5MB in the beginning and 74.0MB in the end (delta: -36.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 189.82ms. Allocated memory is still 138.4MB. Free memory was 74.0MB in the beginning and 62.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,511 INFO L158 Benchmark]: Boogie Preprocessor took 108.36ms. Allocated memory is still 138.4MB. Free memory was 62.7MB in the beginning and 56.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,511 INFO L158 Benchmark]: RCFGBuilder took 1333.44ms. Allocated memory is still 138.4MB. Free memory was 56.4MB in the beginning and 63.7MB in the end (delta: -7.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,512 INFO L158 Benchmark]: TraceAbstraction took 318631.49ms. Allocated memory was 138.4MB in the beginning and 343.9MB in the end (delta: 205.5MB). Free memory was 63.7MB in the beginning and 96.3MB in the end (delta: -32.6MB). Peak memory consumption was 173.0MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,512 INFO L158 Benchmark]: Witness Printer took 115.05ms. Allocated memory is still 343.9MB. Free memory was 96.3MB in the beginning and 87.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 23:47:15,514 INFO L339 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 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4856.72ms. Allocated memory was 67.1MB in the beginning and 138.4MB in the end (delta: 71.3MB). Free memory was 37.5MB in the beginning and 74.0MB in the end (delta: -36.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 189.82ms. Allocated memory is still 138.4MB. Free memory was 74.0MB in the beginning and 62.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.36ms. Allocated memory is still 138.4MB. Free memory was 62.7MB in the beginning and 56.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1333.44ms. Allocated memory is still 138.4MB. Free memory was 56.4MB in the beginning and 63.7MB in the end (delta: -7.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * TraceAbstraction took 318631.49ms. Allocated memory was 138.4MB in the beginning and 343.9MB in the end (delta: 205.5MB). Free memory was 63.7MB in the beginning and 96.3MB in the end (delta: -32.6MB). Peak memory consumption was 173.0MB. Max. memory is 16.1GB. * Witness Printer took 115.05ms. Allocated memory is still 343.9MB. Free memory was 96.3MB in the beginning and 87.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.1s, 734 PlacesBefore, 34 PlacesAfterwards, 782 TransitionsBefore, 49 TransitionsAfterwards, 13356 CoEnabledTransitionPairs, 10 FixpointIterations, 558 TrivialSequentialCompositions, 168 ConcurrentSequentialCompositions, 79 TrivialYvCompositions, 31 ConcurrentYvCompositions, 33 ChoiceCompositions, 869 TotalNumberOfCompositions, 10608 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10243, independent: 10214, independent conditional: 0, independent unconditional: 10214, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7019, independent: 7005, independent conditional: 0, independent unconditional: 7005, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10243, independent: 3209, independent conditional: 0, independent unconditional: 3209, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 7019, unknown conditional: 0, unknown unconditional: 7019] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 906 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 318.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 308.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 455 IncrementalHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 5 mSDtfsCounter, 455 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 3.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 61 ConstructedInterpolants, 1 QuantifiedInterpolants, 274 SizeOfPredicates, 42 NumberOfNonLiveVariables, 2277 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 10/23 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 23:47:15,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE