./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_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_configure_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 40c0c192ce902f5d95e54f3bc2e599b131d27968e8d9f7353aba55924685d132 --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 23:44:18,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 23:44:18,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 23:44:18,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 23:44:18,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 23:44:18,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 23:44:18,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 23:44:18,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 23:44:18,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 23:44:19,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 23:44:19,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 23:44:19,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 23:44:19,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 23:44:19,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 23:44:19,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 23:44:19,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 23:44:19,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 23:44:19,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 23:44:19,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 23:44:19,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 23:44:19,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 23:44:19,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 23:44:19,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 23:44:19,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 23:44:19,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 23:44:19,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 23:44:19,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 23:44:19,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 23:44:19,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 23:44:19,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 23:44:19,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 23:44:19,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 23:44:19,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 23:44:19,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 23:44:19,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 23:44:19,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 23:44:19,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 23:44:19,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 23:44:19,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 23:44:19,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 23:44:19,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 23:44:19,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 23:44:19,086 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 23:44:19,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 23:44:19,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 23:44:19,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 23:44:19,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 23:44:19,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 23:44:19,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 23:44:19,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 23:44:19,089 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 23:44:19,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 23:44:19,090 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 23:44:19,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 23:44:19,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 23:44:19,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 23:44:19,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 23:44:19,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 23:44:19,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 23:44:19,092 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 23:44:19,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 23:44:19,092 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 23:44:19,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 23:44:19,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 23:44:19,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 23:44:19,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 23:44:19,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 23:44:19,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 23:44:19,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 23:44:19,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 23:44:19,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 23:44:19,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 23:44:19,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 23:44:19,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 23:44:19,094 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 23:44:19,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 23:44:19,095 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 23:44:19,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c0c192ce902f5d95e54f3bc2e599b131d27968e8d9f7353aba55924685d132 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 23:44:19,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 23:44:19,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 23:44:19,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 23:44:19,408 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 23:44:19,408 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 23:44:19,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2023-08-30 23:44:20,620 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 23:44:21,142 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 23:44:21,142 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2023-08-30 23:44:21,183 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81b7f2c7/2f21ae00f8a347928c2d64dba307e203/FLAG1848094a8 [2023-08-30 23:44:21,203 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e81b7f2c7/2f21ae00f8a347928c2d64dba307e203 [2023-08-30 23:44:21,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 23:44:21,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 23:44:21,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 23:44:21,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 23:44:21,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 23:44:21,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:44:21" (1/1) ... [2023-08-30 23:44:21,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57938f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:21, skipping insertion in model container [2023-08-30 23:44:21,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 11:44:21" (1/1) ... [2023-08-30 23:44:21,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 23:44:21,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 23:44:21,648 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_configure_pc8736x_gpio_get.i[5469,5482] [2023-08-30 23:44:25,312 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 23:44:25,792 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:44:25,793 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:44:25,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 23:44:25,858 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 23:44:25,869 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_configure_pc8736x_gpio_get.i[5469,5482] [2023-08-30 23:44:26,018 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 23:44:26,107 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:44:26,107 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 23:44:26,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 23:44:26,903 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,904 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,904 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,904 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,904 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,904 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,904 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 23:44:26,910 INFO L208 MainTranslator]: Completed translation [2023-08-30 23:44:26,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26 WrapperNode [2023-08-30 23:44:26,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 23:44:26,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 23:44:26,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 23:44:26,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 23:44:26,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:26,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,053 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 68, statements flattened = 735 [2023-08-30 23:44:27,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 23:44:27,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 23:44:27,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 23:44:27,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 23:44:27,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,154 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 23:44:27,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 23:44:27,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 23:44:27,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 23:44:27,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (1/1) ... [2023-08-30 23:44:27,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 23:44:27,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 23:44:27,240 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 23:44:27,294 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 23:44:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 23:44:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 23:44:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 23:44:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 23:44:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 23:44:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 23:44:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 23:44:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 23:44:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 23:44:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 23:44:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 23:44:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 23:44:27,317 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 23:44:27,317 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 23:44:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 23:44:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 23:44:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 23:44:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 23:44:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 23:44:27,320 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 23:44:27,795 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 23:44:27,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 23:44:28,593 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 23:44:28,633 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 23:44:28,634 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-30 23:44:28,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:44:28 BoogieIcfgContainer [2023-08-30 23:44:28,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 23:44:28,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 23:44:28,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 23:44:28,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 23:44:28,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 11:44:21" (1/3) ... [2023-08-30 23:44:28,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d125e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:44:28, skipping insertion in model container [2023-08-30 23:44:28,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 11:44:26" (2/3) ... [2023-08-30 23:44:28,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d125e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 11:44:28, skipping insertion in model container [2023-08-30 23:44:28,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:44:28" (3/3) ... [2023-08-30 23:44:28,646 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2023-08-30 23:44:28,653 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 23:44:28,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 23:44:28,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 23:44:28,663 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 23:44:28,815 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 23:44:28,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 764 places, 805 transitions, 1626 flow [2023-08-30 23:44:29,164 INFO L130 PetriNetUnfolder]: 48/803 cut-off events. [2023-08-30 23:44:29,165 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 23:44:29,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 812 conditions, 803 events. 48/803 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1132 event pairs, 0 based on Foata normal form. 0/754 useless extension candidates. Maximal degree in co-relation 633. Up to 9 conditions per place. [2023-08-30 23:44:29,175 INFO L82 GeneralOperation]: Start removeDead. Operand has 764 places, 805 transitions, 1626 flow [2023-08-30 23:44:29,183 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 274 places, 280 transitions, 560 flow [2023-08-30 23:44:29,187 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 23:44:29,201 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 280 transitions, 560 flow [2023-08-30 23:44:29,205 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 280 transitions, 560 flow [2023-08-30 23:44:29,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 274 places, 280 transitions, 560 flow [2023-08-30 23:44:29,251 INFO L130 PetriNetUnfolder]: 7/280 cut-off events. [2023-08-30 23:44:29,252 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 23:44:29,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 280 events. 7/280 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 48 event pairs, 0 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-08-30 23:44:29,254 INFO L119 LiptonReduction]: Number of co-enabled transitions 0 [2023-08-30 23:45:11,281 WARN L222 SmtUtils]: Spent 10.43s on a formula simplification that was a NOOP. DAG size: 496 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:45:21,649 WARN L222 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 496 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:45:39,669 WARN L222 SmtUtils]: Spent 18.02s on a formula simplification that was a NOOP. DAG size: 496 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:45:58,164 WARN L222 SmtUtils]: Spent 18.49s on a formula simplification that was a NOOP. DAG size: 496 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:48:41,899 WARN L222 SmtUtils]: Spent 2.71m on a formula simplification. DAG size of input: 621 DAG size of output: 619 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:49:43,776 WARN L222 SmtUtils]: Spent 1.03m 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 23:52:04,427 WARN L222 SmtUtils]: Spent 2.34m on a formula simplification. DAG size of input: 624 DAG size of output: 622 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 23:52:39,379 WARN L222 SmtUtils]: Spent 34.94s 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 23:52:39,381 INFO L134 LiptonReduction]: Checked pairs total: 0 [2023-08-30 23:52:39,381 INFO L136 LiptonReduction]: Total number of compositions: 288 [2023-08-30 23:52:39,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 23:52:39,396 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;@14cb98a8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 23:52:39,396 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-08-30 23:52:39,405 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2023-08-30 23:52:39,405 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 23:52:39,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 23:52:39,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 23:52:39,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-30 23:52:39,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 23:52:39,410 INFO L85 PathProgramCache]: Analyzing trace with hash 2376744, now seen corresponding path program 1 times [2023-08-30 23:52:39,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 23:52:39,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056170602] [2023-08-30 23:52:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 23:52:39,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 23:52:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 23:52:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 23:52:39,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 23:52:39,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056170602] [2023-08-30 23:52:39,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056170602] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 23:52:39,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 23:52:39,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 23:52:39,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991898688] [2023-08-30 23:52:39,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 23:52:39,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 23:52:39,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 23:52:39,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 23:52:39,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 23:52:39,910 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 776 out of 1093 [2023-08-30 23:52:39,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4 places, 5 transitions, 10 flow. Second operand has 2 states, 2 states have (on average 777.5) internal successors, (1555), 2 states have internal predecessors, (1555), 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 23:52:39,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 23:52:39,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 776 of 1093 [2023-08-30 23:52:39,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 23:52:40,159 INFO L130 PetriNetUnfolder]: 1/3 cut-off events. [2023-08-30 23:52:40,159 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 23:52:40,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8 conditions, 3 events. 1/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 1/3 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-08-30 23:52:40,160 INFO L137 encePairwiseOnDemand]: 1091/1093 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2023-08-30 23:52:40,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4 places, 3 transitions, 12 flow [2023-08-30 23:52:40,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 23:52:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 23:52:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1557 transitions. [2023-08-30 23:52:40,185 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.712259835315645 [2023-08-30 23:52:40,185 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1557 transitions. [2023-08-30 23:52:40,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1557 transitions. [2023-08-30 23:52:40,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 23:52:40,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1557 transitions. [2023-08-30 23:52:40,205 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 23:52:40,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1093.0) internal successors, (3279), 3 states have internal predecessors, (3279), 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 23:52:40,214 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1093.0) internal successors, (3279), 3 states have internal predecessors, (3279), 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 23:52:40,215 INFO L175 Difference]: Start difference. First operand has 4 places, 5 transitions, 10 flow. Second operand 2 states and 1557 transitions. [2023-08-30 23:52:40,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 4 places, 3 transitions, 12 flow [2023-08-30 23:52:40,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 4 places, 3 transitions, 12 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 23:52:40,218 INFO L231 Difference]: Finished difference. Result has 4 places, 0 transitions, 0 flow [2023-08-30 23:52:40,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1093, PETRI_DIFFERENCE_MINUEND_FLOW=6, PETRI_DIFFERENCE_MINUEND_PLACES=3, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=4, PETRI_TRANSITIONS=0} [2023-08-30 23:52:40,223 INFO L281 CegarLoopForPetriNet]: 4 programPoint places, 0 predicate places. [2023-08-30 23:52:40,223 INFO L495 AbstractCegarLoop]: Abstraction has has 4 places, 0 transitions, 0 flow [2023-08-30 23:52:40,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 777.5) internal successors, (1555), 2 states have internal predecessors, (1555), 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 23:52:40,226 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-08-30 23:52:40,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-08-30 23:52:40,227 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-08-30 23:52:40,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 23:52:40,228 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-08-30 23:52:40,237 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 23:52:40,237 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 23:52:40,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 11:52:40 BasicIcfg [2023-08-30 23:52:40,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 23:52:40,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 23:52:40,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 23:52:40,243 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 23:52:40,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 11:44:28" (3/4) ... [2023-08-30 23:52:40,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 23:52:40,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 23:52:40,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 23:52:40,271 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 23:52:40,272 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 23:52:40,273 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 23:52:40,274 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 23:52:40,345 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 23:52:40,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 23:52:40,345 INFO L158 Benchmark]: Toolchain (without parser) took 499139.84ms. Allocated memory was 67.1MB in the beginning and 293.6MB in the end (delta: 226.5MB). Free memory was 33.0MB in the beginning and 81.5MB in the end (delta: -48.5MB). Peak memory consumption was 181.1MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,346 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 23:52:40,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5704.94ms. Allocated memory was 67.1MB in the beginning and 121.6MB in the end (delta: 54.5MB). Free memory was 32.7MB in the beginning and 41.8MB in the end (delta: -9.2MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.31ms. Allocated memory is still 121.6MB. Free memory was 41.8MB in the beginning and 30.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,347 INFO L158 Benchmark]: Boogie Preprocessor took 126.22ms. Allocated memory is still 121.6MB. Free memory was 30.0MB in the beginning and 60.5MB in the end (delta: -30.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,347 INFO L158 Benchmark]: RCFGBuilder took 1456.15ms. Allocated memory is still 121.6MB. Free memory was 60.5MB in the beginning and 42.3MB in the end (delta: 18.3MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,347 INFO L158 Benchmark]: TraceAbstraction took 491603.22ms. Allocated memory was 121.6MB in the beginning and 293.6MB in the end (delta: 172.0MB). Free memory was 41.4MB in the beginning and 89.9MB in the end (delta: -48.4MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,348 INFO L158 Benchmark]: Witness Printer took 101.90ms. Allocated memory is still 293.6MB. Free memory was 89.9MB in the beginning and 81.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 23:52:40,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5704.94ms. Allocated memory was 67.1MB in the beginning and 121.6MB in the end (delta: 54.5MB). Free memory was 32.7MB in the beginning and 41.8MB in the end (delta: -9.2MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.31ms. Allocated memory is still 121.6MB. Free memory was 41.8MB in the beginning and 30.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.22ms. Allocated memory is still 121.6MB. Free memory was 30.0MB in the beginning and 60.5MB in the end (delta: -30.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1456.15ms. Allocated memory is still 121.6MB. Free memory was 60.5MB in the beginning and 42.3MB in the end (delta: 18.3MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * TraceAbstraction took 491603.22ms. Allocated memory was 121.6MB in the beginning and 293.6MB in the end (delta: 172.0MB). Free memory was 41.4MB in the beginning and 89.9MB in the end (delta: -48.4MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. * Witness Printer took 101.90ms. Allocated memory is still 293.6MB. Free memory was 89.9MB in the beginning and 81.5MB in the end (delta: 8.4MB). 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: 490.2s, 274 PlacesBefore, 4 PlacesAfterwards, 280 TransitionsBefore, 5 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 9 FixpointIterations, 270 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 0 ConcurrentYvCompositions, 5 ChoiceCompositions, 288 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 946 locations, 3 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: 491.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 490.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 23:52:40,381 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