./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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_open_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 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 17:32:35,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 17:32:35,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 17:32:35,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 17:32:35,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 17:32:35,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 17:32:35,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 17:32:35,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 17:32:35,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 17:32:35,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 17:32:35,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 17:32:35,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 17:32:35,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 17:32:35,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 17:32:35,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 17:32:35,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 17:32:35,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 17:32:35,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 17:32:35,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 17:32:35,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 17:32:35,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 17:32:35,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 17:32:35,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 17:32:35,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 17:32:35,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 17:32:35,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 17:32:35,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 17:32:35,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 17:32:35,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 17:32:35,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 17:32:35,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 17:32:35,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 17:32:35,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 17:32:35,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 17:32:35,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 17:32:35,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 17:32:35,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 17:32:35,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 17:32:35,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 17:32:35,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 17:32:35,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 17:32:35,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 17:32:35,696 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 17:32:35,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 17:32:35,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 17:32:35,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 17:32:35,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 17:32:35,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 17:32:35,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 17:32:35,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 17:32:35,700 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 17:32:35,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 17:32:35,701 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 17:32:35,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 17:32:35,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 17:32:35,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 17:32:35,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 17:32:35,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 17:32:35,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 17:32:35,702 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 17:32:35,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 17:32:35,702 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 17:32:35,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 17:32:35,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 17:32:35,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 17:32:35,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 17:32:35,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 17:32:35,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 17:32:35,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 17:32:35,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 17:32:35,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 17:32:35,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 17:32:35,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 17:32:35,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 17:32:35,705 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 17:32:35,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 17:32:35,705 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 17:32:35,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909ac4a0759ef983043c9b719c98f62619de8f2ef2b7de901a6c88151af6e801 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 17:32:36,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 17:32:36,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 17:32:36,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 17:32:36,028 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 17:32:36,028 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 17:32:36,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-30 17:32:37,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 17:32:37,741 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 17:32:37,741 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-30 17:32:37,783 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b6ff69d/80bd6d9904d74a8ba96e167e97524b51/FLAGd67fcc75f [2023-08-30 17:32:37,803 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71b6ff69d/80bd6d9904d74a8ba96e167e97524b51 [2023-08-30 17:32:37,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 17:32:37,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 17:32:37,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 17:32:37,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 17:32:37,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 17:32:37,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:32:37" (1/1) ... [2023-08-30 17:32:37,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708f3cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:37, skipping insertion in model container [2023-08-30 17:32:37,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 05:32:37" (1/1) ... [2023-08-30 17:32:37,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 17:32:37,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 17:32:38,224 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_open_pc8736x_gpio_get.i[5469,5482] [2023-08-30 17:32:40,564 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 17:32:41,016 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 17:32:41,019 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 17:32:41,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 17:32:41,115 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 17:32:41,144 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_open_pc8736x_gpio_get.i[5469,5482] [2023-08-30 17:32:41,320 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 17:32:41,414 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 17:32:41,415 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 17:32:41,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 17:32:41,974 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,975 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,975 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,975 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,975 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,975 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,975 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 17:32:41,981 INFO L208 MainTranslator]: Completed translation [2023-08-30 17:32:41,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41 WrapperNode [2023-08-30 17:32:41,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 17:32:42,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 17:32:42,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 17:32:42,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 17:32:42,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,227 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 49, statements flattened = 643 [2023-08-30 17:32:42,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 17:32:42,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 17:32:42,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 17:32:42,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 17:32:42,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 17:32:42,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 17:32:42,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 17:32:42,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 17:32:42,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (1/1) ... [2023-08-30 17:32:42,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 17:32:42,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 17:32:42,354 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 17:32:42,373 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 17:32:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 17:32:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 17:32:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 17:32:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 17:32:42,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 17:32:42,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 17:32:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 17:32:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 17:32:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 17:32:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 17:32:42,390 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 17:32:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 17:32:42,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 17:32:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 17:32:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 17:32:42,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 17:32:42,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 17:32:42,394 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 17:32:42,876 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 17:32:42,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 17:32:43,564 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 17:32:43,573 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 17:32:43,573 INFO L302 CfgBuilder]: Removed 23 assume(true) statements. [2023-08-30 17:32:43,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:32:43 BoogieIcfgContainer [2023-08-30 17:32:43,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 17:32:43,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 17:32:43,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 17:32:43,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 17:32:43,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 05:32:37" (1/3) ... [2023-08-30 17:32:43,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5091280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:32:43, skipping insertion in model container [2023-08-30 17:32:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 05:32:41" (2/3) ... [2023-08-30 17:32:43,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5091280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 05:32:43, skipping insertion in model container [2023-08-30 17:32:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:32:43" (3/3) ... [2023-08-30 17:32:43,582 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_get.i [2023-08-30 17:32:43,589 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 17:32:43,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 17:32:43,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 17:32:43,596 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 17:32:43,698 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 17:32:43,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 662 places, 699 transitions, 1414 flow [2023-08-30 17:32:43,936 INFO L130 PetriNetUnfolder]: 44/697 cut-off events. [2023-08-30 17:32:43,936 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 17:32:43,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 697 events. 44/697 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 867 event pairs, 0 based on Foata normal form. 0/651 useless extension candidates. Maximal degree in co-relation 646. Up to 9 conditions per place. [2023-08-30 17:32:43,944 INFO L82 GeneralOperation]: Start removeDead. Operand has 662 places, 699 transitions, 1414 flow [2023-08-30 17:32:43,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 652 places, 689 transitions, 1387 flow [2023-08-30 17:32:43,955 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 17:32:43,963 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 652 places, 689 transitions, 1387 flow [2023-08-30 17:32:43,965 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 652 places, 689 transitions, 1387 flow [2023-08-30 17:32:43,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 652 places, 689 transitions, 1387 flow [2023-08-30 17:32:44,069 INFO L130 PetriNetUnfolder]: 44/689 cut-off events. [2023-08-30 17:32:44,070 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 17:32:44,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 689 events. 44/689 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 810 event pairs, 0 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 646. Up to 9 conditions per place. [2023-08-30 17:32:44,075 INFO L119 LiptonReduction]: Number of co-enabled transitions 5250 [2023-08-30 17:33:42,830 WARN L222 SmtUtils]: Spent 14.56s on a formula simplification that was a NOOP. DAG size: 403 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:33:50,496 WARN L222 SmtUtils]: Spent 7.65s on a formula simplification that was a NOOP. DAG size: 349 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:34:25,710 WARN L222 SmtUtils]: Spent 35.21s on a formula simplification. DAG size of input: 409 DAG size of output: 407 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:34:33,772 WARN L222 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 352 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:35:43,018 WARN L222 SmtUtils]: Spent 1.12m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:36:10,169 WARN L222 SmtUtils]: Spent 27.15s 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 17:38:29,926 WARN L222 SmtUtils]: Spent 2.33m on a formula simplification. DAG size of input: 594 DAG size of output: 592 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 17:39:43,871 WARN L222 SmtUtils]: Spent 1.23m 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 17:39:58,299 INFO L134 LiptonReduction]: Checked pairs total: 5005 [2023-08-30 17:39:58,299 INFO L136 LiptonReduction]: Total number of compositions: 761 [2023-08-30 17:39:58,310 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 17:39:58,313 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;@3ac0cd88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 17:39:58,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-08-30 17:39:58,322 INFO L130 PetriNetUnfolder]: 4/8 cut-off events. [2023-08-30 17:39:58,322 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 17:39:58,322 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:39:58,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 17:39:58,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-30 17:39:58,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:39:58,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2476542, now seen corresponding path program 1 times [2023-08-30 17:39:58,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:39:58,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711792146] [2023-08-30 17:39:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:39:58,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:39:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:39:58,843 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 17:39:58,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:39:58,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711792146] [2023-08-30 17:39:58,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711792146] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:39:58,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:39:58,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 17:39:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987112035] [2023-08-30 17:39:58,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:39:58,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 17:39:58,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:39:58,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 17:39:58,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 17:39:58,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 667 out of 1460 [2023-08-30 17:39:58,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 47 transitions, 103 flow. Second operand has 2 states, 2 states have (on average 668.5) internal successors, (1337), 2 states have internal predecessors, (1337), 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 17:39:58,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:39:58,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 667 of 1460 [2023-08-30 17:39:58,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:39:59,191 INFO L130 PetriNetUnfolder]: 61/127 cut-off events. [2023-08-30 17:39:59,191 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2023-08-30 17:39:59,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 127 events. 61/127 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 336 event pairs, 51 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 200. Up to 128 conditions per place. [2023-08-30 17:39:59,193 INFO L137 encePairwiseOnDemand]: 1448/1460 looper letters, 31 selfloop transitions, 0 changer transitions 4/35 dead transitions. [2023-08-30 17:39:59,193 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 149 flow [2023-08-30 17:39:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 17:39:59,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 17:39:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1381 transitions. [2023-08-30 17:39:59,211 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47294520547945207 [2023-08-30 17:39:59,212 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1381 transitions. [2023-08-30 17:39:59,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1381 transitions. [2023-08-30 17:39:59,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:39:59,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1381 transitions. [2023-08-30 17:39:59,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 690.5) internal successors, (1381), 2 states have internal predecessors, (1381), 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 17:39:59,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1460.0) internal successors, (4380), 3 states have internal predecessors, (4380), 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 17:39:59,234 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1460.0) internal successors, (4380), 3 states have internal predecessors, (4380), 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 17:39:59,235 INFO L175 Difference]: Start difference. First operand has 33 places, 47 transitions, 103 flow. Second operand 2 states and 1381 transitions. [2023-08-30 17:39:59,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 149 flow [2023-08-30 17:39:59,238 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 17:39:59,240 INFO L231 Difference]: Finished difference. Result has 30 places, 31 transitions, 65 flow [2023-08-30 17:39:59,241 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1460, 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=65, PETRI_PLACES=30, PETRI_TRANSITIONS=31} [2023-08-30 17:39:59,244 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -3 predicate places. [2023-08-30 17:39:59,244 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 31 transitions, 65 flow [2023-08-30 17:39:59,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 668.5) internal successors, (1337), 2 states have internal predecessors, (1337), 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 17:39:59,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:39:59,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 17:39:59,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 17:39:59,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-30 17:39:59,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:39:59,247 INFO L85 PathProgramCache]: Analyzing trace with hash 794822496, now seen corresponding path program 1 times [2023-08-30 17:39:59,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:39:59,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127579206] [2023-08-30 17:39:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:39:59,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:39:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:40:00,038 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 17:40:00,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:40:00,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127579206] [2023-08-30 17:40:00,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127579206] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:40:00,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:40:00,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 17:40:00,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382772618] [2023-08-30 17:40:00,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:40:00,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 17:40:00,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:40:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 17:40:00,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 17:40:00,109 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 650 out of 1460 [2023-08-30 17:40:00,111 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 31 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 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 17:40:00,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:40:00,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 650 of 1460 [2023-08-30 17:40:00,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:40:00,721 INFO L130 PetriNetUnfolder]: 39/89 cut-off events. [2023-08-30 17:40:00,722 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 17:40:00,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 89 events. 39/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 247 event pairs, 21 based on Foata normal form. 8/87 useless extension candidates. Maximal degree in co-relation 189. Up to 74 conditions per place. [2023-08-30 17:40:00,722 INFO L137 encePairwiseOnDemand]: 1457/1460 looper letters, 29 selfloop transitions, 2 changer transitions 5/36 dead transitions. [2023-08-30 17:40:00,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 36 transitions, 149 flow [2023-08-30 17:40:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 17:40:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 17:40:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1987 transitions. [2023-08-30 17:40:00,728 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45365296803652966 [2023-08-30 17:40:00,728 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1987 transitions. [2023-08-30 17:40:00,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1987 transitions. [2023-08-30 17:40:00,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:40:00,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1987 transitions. [2023-08-30 17:40:00,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 662.3333333333334) internal successors, (1987), 3 states have internal predecessors, (1987), 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 17:40:00,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1460.0) internal successors, (5840), 4 states have internal predecessors, (5840), 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 17:40:00,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1460.0) internal successors, (5840), 4 states have internal predecessors, (5840), 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 17:40:00,743 INFO L175 Difference]: Start difference. First operand has 30 places, 31 transitions, 65 flow. Second operand 3 states and 1987 transitions. [2023-08-30 17:40:00,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 36 transitions, 149 flow [2023-08-30 17:40:00,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 36 transitions, 149 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 17:40:00,745 INFO L231 Difference]: Finished difference. Result has 29 places, 31 transitions, 73 flow [2023-08-30 17:40:00,745 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1460, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=73, PETRI_PLACES=29, PETRI_TRANSITIONS=31} [2023-08-30 17:40:00,746 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -4 predicate places. [2023-08-30 17:40:00,746 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 31 transitions, 73 flow [2023-08-30 17:40:00,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 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 17:40:00,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 17:40:00,748 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 17:40:00,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 17:40:00,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-08-30 17:40:00,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 17:40:00,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1130302570, now seen corresponding path program 1 times [2023-08-30 17:40:00,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 17:40:00,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166287883] [2023-08-30 17:40:00,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 17:40:00,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 17:40:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 17:40:01,903 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 17:40:01,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 17:40:01,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166287883] [2023-08-30 17:40:01,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166287883] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 17:40:01,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 17:40:01,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-30 17:40:01,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723045737] [2023-08-30 17:40:01,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 17:40:01,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 17:40:01,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 17:40:01,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 17:40:01,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-30 17:40:02,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 1460 [2023-08-30 17:40:02,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 31 transitions, 73 flow. Second operand has 7 states, 7 states have (on average 646.0) internal successors, (4522), 7 states have internal predecessors, (4522), 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 17:40:02,068 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 17:40:02,068 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 1460 [2023-08-30 17:40:02,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 17:40:02,881 INFO L130 PetriNetUnfolder]: 12/34 cut-off events. [2023-08-30 17:40:02,881 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 17:40:02,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 34 events. 12/34 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 2 based on Foata normal form. 7/31 useless extension candidates. Maximal degree in co-relation 74. Up to 15 conditions per place. [2023-08-30 17:40:02,882 INFO L137 encePairwiseOnDemand]: 1449/1460 looper letters, 0 selfloop transitions, 0 changer transitions 30/30 dead transitions. [2023-08-30 17:40:02,882 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 129 flow [2023-08-30 17:40:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 17:40:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 17:40:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3901 transitions. [2023-08-30 17:40:02,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44531963470319635 [2023-08-30 17:40:02,891 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 3901 transitions. [2023-08-30 17:40:02,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 3901 transitions. [2023-08-30 17:40:02,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 17:40:02,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 3901 transitions. [2023-08-30 17:40:02,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 650.1666666666666) internal successors, (3901), 6 states have internal predecessors, (3901), 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 17:40:02,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 1460.0) internal successors, (10220), 7 states have internal predecessors, (10220), 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 17:40:02,918 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 1460.0) internal successors, (10220), 7 states have internal predecessors, (10220), 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 17:40:02,918 INFO L175 Difference]: Start difference. First operand has 29 places, 31 transitions, 73 flow. Second operand 6 states and 3901 transitions. [2023-08-30 17:40:02,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 129 flow [2023-08-30 17:40:02,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 30 transitions, 123 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 17:40:02,919 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2023-08-30 17:40:02,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1460, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2023-08-30 17:40:02,920 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, -3 predicate places. [2023-08-30 17:40:02,920 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2023-08-30 17:40:02,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 646.0) internal successors, (4522), 7 states have internal predecessors, (4522), 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 17:40:02,925 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-08-30 17:40:02,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-08-30 17:40:02,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-08-30 17:40:02,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-08-30 17:40:02,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-08-30 17:40:02,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 17:40:02,927 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-30 17:40:02,935 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 17:40:02,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 17:40:02,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 05:40:02 BasicIcfg [2023-08-30 17:40:02,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 17:40:02,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 17:40:02,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 17:40:02,944 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 17:40:02,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 05:32:43" (3/4) ... [2023-08-30 17:40:02,950 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 17:40:02,955 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_open [2023-08-30 17:40:02,956 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 17:40:02,975 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 17:40:02,976 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 17:40:02,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 17:40:02,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 17:40:03,041 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 17:40:03,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 17:40:03,042 INFO L158 Benchmark]: Toolchain (without parser) took 445235.16ms. Allocated memory was 77.6MB in the beginning and 281.0MB in the end (delta: 203.4MB). Free memory was 44.9MB in the beginning and 172.5MB in the end (delta: -127.6MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,042 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 17:40:03,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4187.84ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 44.7MB in the beginning and 58.7MB in the end (delta: -14.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 221.46ms. Allocated memory is still 121.6MB. Free memory was 58.7MB in the beginning and 47.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,043 INFO L158 Benchmark]: Boogie Preprocessor took 97.81ms. Allocated memory is still 121.6MB. Free memory was 47.4MB in the beginning and 41.9MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,043 INFO L158 Benchmark]: RCFGBuilder took 1248.96ms. Allocated memory is still 121.6MB. Free memory was 41.9MB in the beginning and 48.3MB in the end (delta: -6.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,043 INFO L158 Benchmark]: TraceAbstraction took 439365.46ms. Allocated memory was 121.6MB in the beginning and 281.0MB in the end (delta: 159.4MB). Free memory was 47.1MB in the beginning and 182.0MB in the end (delta: -134.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,044 INFO L158 Benchmark]: Witness Printer took 98.52ms. Allocated memory is still 281.0MB. Free memory was 182.0MB in the beginning and 172.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 17:40:03,045 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 60.8MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4187.84ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 44.7MB in the beginning and 58.7MB in the end (delta: -14.0MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 221.46ms. Allocated memory is still 121.6MB. Free memory was 58.7MB in the beginning and 47.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.81ms. Allocated memory is still 121.6MB. Free memory was 47.4MB in the beginning and 41.9MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1248.96ms. Allocated memory is still 121.6MB. Free memory was 41.9MB in the beginning and 48.3MB in the end (delta: -6.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 439365.46ms. Allocated memory was 121.6MB in the beginning and 281.0MB in the end (delta: 159.4MB). Free memory was 47.1MB in the beginning and 182.0MB in the end (delta: -134.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 98.52ms. Allocated memory is still 281.0MB. Free memory was 182.0MB in the beginning and 172.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 434.3s, 652 PlacesBefore, 33 PlacesAfterwards, 689 TransitionsBefore, 47 TransitionsAfterwards, 5250 CoEnabledTransitionPairs, 11 FixpointIterations, 558 TrivialSequentialCompositions, 83 ConcurrentSequentialCompositions, 85 TrivialYvCompositions, 12 ConcurrentYvCompositions, 23 ChoiceCompositions, 761 TotalNumberOfCompositions, 5005 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4420, independent: 4315, independent conditional: 0, independent unconditional: 4315, dependent: 105, dependent conditional: 0, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2776, independent: 2755, independent conditional: 0, independent unconditional: 2755, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4420, independent: 1560, independent conditional: 0, independent unconditional: 1560, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 2776, unknown conditional: 0, unknown unconditional: 2776] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 742 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 439.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 434.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 146 mSDsluCounter, 120 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 440 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 2 mSDtfsCounter, 440 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 17:40:03,085 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