./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --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-divine/ring_2w1r-1.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 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:29:29,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:29:29,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:29:29,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:29:29,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:29:29,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:29:29,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:29:29,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:29:29,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:29:29,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:29:29,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:29:29,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:29:29,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:29:29,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:29:29,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:29:29,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:29:29,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:29:29,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:29:29,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:29:29,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:29:29,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:29:29,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:29:29,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:29:29,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:29:29,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:29:29,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:29:29,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:29:29,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:29:29,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:29:29,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:29:29,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:29:29,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:29:29,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:29:29,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:29:29,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:29:29,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:29:29,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:29:29,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:29:29,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:29:29,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:29:29,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:29:29,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:29:29,291 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:29:29,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:29:29,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:29:29,293 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:29:29,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:29:29,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:29:29,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:29:29,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:29:29,295 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:29:29,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:29:29,296 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:29:29,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:29:29,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:29:29,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:29:29,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:29:29,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:29:29,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:29:29,297 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:29:29,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:29:29,297 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:29:29,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:29:29,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:29:29,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:29:29,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:29:29,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:29:29,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:29:29,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:29:29,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:29:29,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:29:29,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:29:29,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:29:29,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:29:29,300 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:29:29,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:29:29,300 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:29:29,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:29:29,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:29:29,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:29:29,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:29:29,611 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:29:29,611 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:29:29,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2023-08-30 22:29:30,848 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:29:31,088 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:29:31,088 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2023-08-30 22:29:31,105 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba38f97d3/f3c2227a57d2460eb950da6004d549dd/FLAG87a8bfacb [2023-08-30 22:29:31,118 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba38f97d3/f3c2227a57d2460eb950da6004d549dd [2023-08-30 22:29:31,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:29:31,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:29:31,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:29:31,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:29:31,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:29:31,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5469b452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31, skipping insertion in model container [2023-08-30 22:29:31,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:29:31,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:29:31,338 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:29:31,599 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-divine/ring_2w1r-1.i[39095,39108] [2023-08-30 22:29:31,605 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-divine/ring_2w1r-1.i[39180,39193] [2023-08-30 22:29:31,605 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-divine/ring_2w1r-1.i[39232,39245] [2023-08-30 22:29:31,669 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-divine/ring_2w1r-1.i[49388,49401] [2023-08-30 22:29:31,671 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-divine/ring_2w1r-1.i[49437,49450] [2023-08-30 22:29:31,673 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-divine/ring_2w1r-1.i[49565,49578] [2023-08-30 22:29:31,673 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-divine/ring_2w1r-1.i[49623,49636] [2023-08-30 22:29:31,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:29:31,723 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:29:31,733 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:29:31,751 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-divine/ring_2w1r-1.i[39095,39108] [2023-08-30 22:29:31,752 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-divine/ring_2w1r-1.i[39180,39193] [2023-08-30 22:29:31,752 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-divine/ring_2w1r-1.i[39232,39245] [2023-08-30 22:29:31,760 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-divine/ring_2w1r-1.i[49388,49401] [2023-08-30 22:29:31,761 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-divine/ring_2w1r-1.i[49437,49450] [2023-08-30 22:29:31,762 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-divine/ring_2w1r-1.i[49565,49578] [2023-08-30 22:29:31,762 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-divine/ring_2w1r-1.i[49623,49636] [2023-08-30 22:29:31,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:29:31,820 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:29:31,826 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:29:31,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31 WrapperNode [2023-08-30 22:29:31,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:29:31,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:29:31,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:29:31,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:29:31,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,875 INFO L138 Inliner]: procedures = 310, calls = 70, calls flagged for inlining = 10, calls inlined = 8, statements flattened = 203 [2023-08-30 22:29:31,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:29:31,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:29:31,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:29:31,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:29:31,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:29:31,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:29:31,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:29:31,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:29:31,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (1/1) ... [2023-08-30 22:29:31,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:29:31,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:29:31,949 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 22:29:31,978 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 22:29:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2023-08-30 22:29:31,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2023-08-30 22:29:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2023-08-30 22:29:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2023-08-30 22:29:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:29:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:29:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:29:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:29:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:29:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:29:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:29:31,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:29:31,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:29:31,993 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 22:29:32,191 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:29:32,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:29:32,448 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:29:32,455 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:29:32,458 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-30 22:29:32,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:29:32 BoogieIcfgContainer [2023-08-30 22:29:32,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:29:32,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:29:32,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:29:32,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:29:32,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:29:31" (1/3) ... [2023-08-30 22:29:32,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e217d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:29:32, skipping insertion in model container [2023-08-30 22:29:32,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:31" (2/3) ... [2023-08-30 22:29:32,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e217d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:29:32, skipping insertion in model container [2023-08-30 22:29:32,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:29:32" (3/3) ... [2023-08-30 22:29:32,469 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2023-08-30 22:29:32,474 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:29:32,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:29:32,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 22:29:32,483 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:29:32,577 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:29:32,583 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:29:32,587 INFO L158 Benchmark]: Toolchain (without parser) took 1465.01ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 42.8MB in the end (delta: 6.0MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-08-30 22:29:32,587 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:29:32,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.95ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.6MB in the beginning and 56.2MB in the end (delta: -7.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 22:29:32,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.43ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 53.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:29:32,589 INFO L158 Benchmark]: Boogie Preprocessor took 30.43ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 50.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:29:32,590 INFO L158 Benchmark]: RCFGBuilder took 557.09ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 56.8MB in the end (delta: -5.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-08-30 22:29:32,590 INFO L158 Benchmark]: TraceAbstraction took 120.24ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 42.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:29:32,599 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 73.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.95ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.6MB in the beginning and 56.2MB in the end (delta: -7.6MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.43ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 53.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.43ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 50.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.09ms. Allocated memory is still 96.5MB. Free memory was 50.9MB in the beginning and 56.8MB in the end (delta: -5.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * TraceAbstraction took 120.24ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 42.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:29:32,620 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-divine/ring_2w1r-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:29:34,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:29:34,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:29:34,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:29:34,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:29:34,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:29:34,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:29:34,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:29:34,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:29:34,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:29:34,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:29:34,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:29:34,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:29:34,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:29:34,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:29:34,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:29:34,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:29:34,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:29:34,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:29:34,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:29:34,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:29:34,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:29:34,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:29:34,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:29:34,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:29:34,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:29:34,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:29:34,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:29:34,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:29:34,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:29:34,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:29:34,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:29:34,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:29:34,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:29:34,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:29:34,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:29:34,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:29:34,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:29:34,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:29:34,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:29:34,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:29:34,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:29:34,633 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:29:34,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:29:34,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:29:34,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:29:34,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:29:34,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:29:34,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:29:34,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:29:34,636 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:29:34,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:29:34,637 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:29:34,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:29:34,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:29:34,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:29:34,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:29:34,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:29:34,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:29:34,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:29:34,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:29:34,639 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:29:34,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:29:34,639 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:29:34,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:29:34,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:29:34,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:29:34,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:29:34,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:29:34,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:29:34,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:29:34,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:29:34,641 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:29:34,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:29:34,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:29:34,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:29:34,642 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:29:34,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:29:34,642 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:29:34,642 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:29:34,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 509c3c8c1895397e4c0d03f6462ad0ca0ed3ce99b40d08b775ab8473dba5ee1f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:29:34,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:29:34,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:29:34,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:29:34,968 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:29:34,968 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:29:34,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2023-08-30 22:29:36,081 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:29:36,368 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:29:36,368 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r-1.i [2023-08-30 22:29:36,380 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12b0995f/5d0b5da9c04647f2bb0d92f4968f6a60/FLAGeb6bc8b91 [2023-08-30 22:29:36,391 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12b0995f/5d0b5da9c04647f2bb0d92f4968f6a60 [2023-08-30 22:29:36,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:29:36,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:29:36,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:29:36,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:29:36,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:29:36,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:29:36" (1/1) ... [2023-08-30 22:29:36,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fef80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:36, skipping insertion in model container [2023-08-30 22:29:36,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:29:36" (1/1) ... [2023-08-30 22:29:36,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:29:36,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:29:36,574 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:29:36,822 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-divine/ring_2w1r-1.i[39095,39108] [2023-08-30 22:29:36,827 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-divine/ring_2w1r-1.i[39180,39193] [2023-08-30 22:29:36,828 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-divine/ring_2w1r-1.i[39232,39245] [2023-08-30 22:29:36,902 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-divine/ring_2w1r-1.i[49388,49401] [2023-08-30 22:29:36,903 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-divine/ring_2w1r-1.i[49437,49450] [2023-08-30 22:29:36,906 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-divine/ring_2w1r-1.i[49565,49578] [2023-08-30 22:29:36,906 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-divine/ring_2w1r-1.i[49623,49636] [2023-08-30 22:29:36,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:29:36,934 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:29:36,950 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:29:36,978 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-divine/ring_2w1r-1.i[39095,39108] [2023-08-30 22:29:36,980 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-divine/ring_2w1r-1.i[39180,39193] [2023-08-30 22:29:36,980 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-divine/ring_2w1r-1.i[39232,39245] [2023-08-30 22:29:37,002 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-divine/ring_2w1r-1.i[49388,49401] [2023-08-30 22:29:37,003 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-divine/ring_2w1r-1.i[49437,49450] [2023-08-30 22:29:37,005 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-divine/ring_2w1r-1.i[49565,49578] [2023-08-30 22:29:37,006 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-divine/ring_2w1r-1.i[49623,49636] [2023-08-30 22:29:37,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:29:37,082 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:29:37,088 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:29:37,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37 WrapperNode [2023-08-30 22:29:37,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:29:37,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:29:37,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:29:37,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:29:37,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,141 INFO L138 Inliner]: procedures = 314, calls = 70, calls flagged for inlining = 10, calls inlined = 8, statements flattened = 203 [2023-08-30 22:29:37,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:29:37,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:29:37,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:29:37,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:29:37,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:29:37,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:29:37,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:29:37,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:29:37,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (1/1) ... [2023-08-30 22:29:37,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:29:37,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:29:37,222 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 22:29:37,226 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 22:29:37,254 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2023-08-30 22:29:37,254 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2023-08-30 22:29:37,255 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:29:37,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:29:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:29:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:29:37,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:29:37,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:29:37,257 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 22:29:37,428 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:29:37,440 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:29:37,909 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:29:37,920 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:29:37,921 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-08-30 22:29:37,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:29:37 BoogieIcfgContainer [2023-08-30 22:29:37,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:29:37,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:29:37,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:29:37,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:29:37,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:29:36" (1/3) ... [2023-08-30 22:29:37,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398d16e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:29:37, skipping insertion in model container [2023-08-30 22:29:37,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:29:37" (2/3) ... [2023-08-30 22:29:37,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@398d16e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:29:37, skipping insertion in model container [2023-08-30 22:29:37,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:29:37" (3/3) ... [2023-08-30 22:29:37,930 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.i [2023-08-30 22:29:37,937 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:29:37,945 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:29:37,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 22:29:37,946 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:29:38,066 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:29:38,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:29:38,078 INFO L158 Benchmark]: Toolchain (without parser) took 1681.79ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 33.9MB in the beginning and 44.0MB in the end (delta: -10.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-08-30 22:29:38,078 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 48.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:29:38,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.65ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 33.7MB in the beginning and 65.9MB in the end (delta: -32.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-08-30 22:29:38,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.63ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 62.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:29:38,081 INFO L158 Benchmark]: Boogie Preprocessor took 47.52ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:29:38,082 INFO L158 Benchmark]: RCFGBuilder took 732.44ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 61.8MB in the end (delta: -1.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-30 22:29:38,082 INFO L158 Benchmark]: TraceAbstraction took 151.76ms. Allocated memory is still 94.4MB. Free memory was 61.3MB in the beginning and 44.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:29:38,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 48.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.65ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 33.7MB in the beginning and 65.9MB in the end (delta: -32.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.63ms. Allocated memory is still 94.4MB. Free memory was 65.9MB in the beginning and 62.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.52ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 60.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 732.44ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 61.8MB in the end (delta: -1.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 151.76ms. Allocated memory is still 94.4MB. Free memory was 61.3MB in the beginning and 44.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:29:38,116 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: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE