./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/goblint-regression/28-race_reach_02-simple_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3e7d0a2f10d1449a9a354d4032bafdd0ae7a7fd76aceb835acbee3134ec74e4 --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 12:28:38,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:28:38,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:28:38,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:28:38,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:28:38,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:28:38,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:28:38,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:28:38,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:28:38,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:28:38,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:28:38,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:28:38,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:28:38,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:28:38,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:28:38,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:28:38,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:28:38,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:28:38,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:28:38,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:28:38,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:28:38,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:28:38,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:28:38,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:28:38,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:28:38,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:28:38,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:28:38,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:28:38,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:28:38,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:28:38,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:28:38,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:28:38,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:28:38,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:28:38,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:28:38,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:28:38,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:28:38,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:28:38,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:28:38,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:28:38,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:28:38,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:28:38,282 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:28:38,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:28:38,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:28:38,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:28:38,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:28:38,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:28:38,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:28:38,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:28:38,286 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:28:38,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:28:38,287 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:28:38,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:28:38,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:28:38,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:28:38,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:28:38,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:28:38,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:28:38,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:28:38,289 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:28:38,289 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:28:38,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:28:38,290 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:28:38,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:28:38,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:28:38,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:28:38,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:28:38,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:38,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:28:38,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:28:38,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:28:38,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:28:38,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:28:38,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:28:38,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:28:38,293 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:28:38,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:28:38,293 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:28:38,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e7d0a2f10d1449a9a354d4032bafdd0ae7a7fd76aceb835acbee3134ec74e4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:28:38,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:28:38,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:28:38,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:28:38,655 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:28:38,656 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:28:38,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2023-08-30 12:28:39,756 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:28:39,999 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:28:39,999 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2023-08-30 12:28:40,010 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45b0dc473/496585cfc0ea416e885ab2e08b87c9c7/FLAGca47ca0b2 [2023-08-30 12:28:40,023 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45b0dc473/496585cfc0ea416e885ab2e08b87c9c7 [2023-08-30 12:28:40,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:28:40,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:28:40,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:40,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:28:40,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:28:40,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b82e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40, skipping insertion in model container [2023-08-30 12:28:40,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:28:40,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:28:40,401 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i[30176,30189] [2023-08-30 12:28:40,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:40,436 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:28:40,504 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i[30176,30189] [2023-08-30 12:28:40,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:40,540 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:28:40,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40 WrapperNode [2023-08-30 12:28:40,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:40,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:40,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:28:40,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:28:40,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,602 INFO L138 Inliner]: procedures = 170, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-08-30 12:28:40,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:40,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:28:40,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:28:40,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:28:40,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,646 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:28:40,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:28:40,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:28:40,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:28:40,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (1/1) ... [2023-08-30 12:28:40,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:40,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:28:40,689 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 12:28:40,721 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 12:28:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:28:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:28:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:28:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:28:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:28:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:28:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:28:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:28:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:28:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:28:40,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:28:40,736 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 12:28:40,913 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:28:40,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:28:41,184 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:28:41,189 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:28:41,191 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-30 12:28:41,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:41 BoogieIcfgContainer [2023-08-30 12:28:41,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:28:41,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:28:41,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:28:41,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:28:41,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:28:40" (1/3) ... [2023-08-30 12:28:41,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff9010a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:41, skipping insertion in model container [2023-08-30 12:28:41,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:40" (2/3) ... [2023-08-30 12:28:41,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ff9010a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:41, skipping insertion in model container [2023-08-30 12:28:41,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:41" (3/3) ... [2023-08-30 12:28:41,202 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i [2023-08-30 12:28:41,208 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:28:41,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:28:41,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:28:41,217 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:28:41,289 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 12:28:41,295 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 12:28:41,301 INFO L158 Benchmark]: Toolchain (without parser) took 1273.89ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 36.5MB in the end (delta: 10.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-08-30 12:28:41,301 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:28:41,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.51ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 43.9MB in the end (delta: 3.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:28:41,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.11ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:41,304 INFO L158 Benchmark]: Boogie Preprocessor took 54.02ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:41,304 INFO L158 Benchmark]: RCFGBuilder took 536.02ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 44.2MB in the end (delta: -4.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-08-30 12:28:41,305 INFO L158 Benchmark]: TraceAbstraction took 103.40ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 36.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:28:41,313 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 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.51ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 43.9MB in the end (delta: 3.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.11ms. Allocated memory is still 71.3MB. Free memory was 43.9MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.02ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 40.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.02ms. Allocated memory is still 71.3MB. Free memory was 40.0MB in the beginning and 44.2MB in the end (delta: -4.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 103.40ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 36.5MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. 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 12:28:41,335 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/goblint-regression/28-race_reach_02-simple_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3e7d0a2f10d1449a9a354d4032bafdd0ae7a7fd76aceb835acbee3134ec74e4 --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 12:28:43,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:28:43,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:28:43,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:28:43,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:28:43,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:28:43,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:28:43,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:28:43,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:28:43,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:28:43,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:28:43,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:28:43,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:28:43,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:28:43,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:28:43,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:28:43,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:28:43,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:28:43,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:28:43,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:28:43,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:28:43,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:28:43,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:28:43,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:28:43,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:28:43,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:28:43,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:28:43,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:28:43,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:28:43,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:28:43,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:28:43,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:28:43,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:28:43,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:28:43,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:28:43,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:28:43,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:28:43,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:28:43,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:28:43,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:28:43,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:28:43,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:28:43,299 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:28:43,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:28:43,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:28:43,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:28:43,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:28:43,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:28:43,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:28:43,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:28:43,303 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:28:43,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:28:43,304 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:28:43,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:28:43,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:28:43,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:28:43,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:28:43,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:28:43,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:28:43,305 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:28:43,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:28:43,306 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:28:43,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:28:43,306 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:28:43,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:28:43,306 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:28:43,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:28:43,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:28:43,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:28:43,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:28:43,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:43,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:28:43,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:28:43,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:28:43,308 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:28:43,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:28:43,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:28:43,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:28:43,309 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:28:43,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:28:43,309 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:28:43,309 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:28:43,310 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e7d0a2f10d1449a9a354d4032bafdd0ae7a7fd76aceb835acbee3134ec74e4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:28:43,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:28:43,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:28:43,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:28:43,663 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:28:43,664 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:28:43,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2023-08-30 12:28:44,920 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:28:45,220 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:28:45,221 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i [2023-08-30 12:28:45,235 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce5e3802/7d2271c2827b45159b08790b459defd4/FLAG75297d0d5 [2023-08-30 12:28:45,255 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce5e3802/7d2271c2827b45159b08790b459defd4 [2023-08-30 12:28:45,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:28:45,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:28:45,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:45,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:28:45,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:28:45,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0fbf3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45, skipping insertion in model container [2023-08-30 12:28:45,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:28:45,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:28:45,630 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i[30176,30189] [2023-08-30 12:28:45,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:45,671 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:28:45,724 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_02-simple_racefree.i[30176,30189] [2023-08-30 12:28:45,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:28:45,798 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:28:45,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45 WrapperNode [2023-08-30 12:28:45,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:45,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:45,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:28:45,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:28:45,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,862 INFO L138 Inliner]: procedures = 174, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2023-08-30 12:28:45,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:28:45,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:28:45,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:28:45,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:28:45,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:28:45,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:28:45,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:28:45,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:28:45,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (1/1) ... [2023-08-30 12:28:45,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:45,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:28:45,937 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 12:28:45,953 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 12:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:28:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:28:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:28:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:28:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:28:45,969 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 12:28:46,097 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:28:46,099 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:28:46,393 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:28:46,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:28:46,400 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-30 12:28:46,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:46 BoogieIcfgContainer [2023-08-30 12:28:46,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:28:46,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:28:46,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:28:46,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:28:46,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:28:45" (1/3) ... [2023-08-30 12:28:46,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc210c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:46, skipping insertion in model container [2023-08-30 12:28:46,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:45" (2/3) ... [2023-08-30 12:28:46,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc210c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:28:46, skipping insertion in model container [2023-08-30 12:28:46,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:28:46" (3/3) ... [2023-08-30 12:28:46,415 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_02-simple_racefree.i [2023-08-30 12:28:46,423 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:28:46,431 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:28:46,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:28:46,432 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:28:46,538 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 12:28:46,544 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 12:28:46,548 INFO L158 Benchmark]: Toolchain (without parser) took 1289.18ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 39.6MB in the end (delta: 11.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-08-30 12:28:46,549 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:28:46,549 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.90ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-08-30 12:28:46,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.51ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:46,551 INFO L158 Benchmark]: Boogie Preprocessor took 41.75ms. Allocated memory is still 75.5MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:28:46,551 INFO L158 Benchmark]: RCFGBuilder took 495.56ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 48.7MB in the end (delta: -4.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-30 12:28:46,552 INFO L158 Benchmark]: TraceAbstraction took 143.38ms. Allocated memory is still 75.5MB. Free memory was 48.0MB in the beginning and 39.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:28:46,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.90ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 48.4MB in the end (delta: 2.8MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.51ms. Allocated memory is still 75.5MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.75ms. Allocated memory is still 75.5MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.56ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 48.7MB in the end (delta: -4.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * TraceAbstraction took 143.38ms. Allocated memory is still 75.5MB. Free memory was 48.0MB in the beginning and 39.6MB 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: - 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 12:28:46,584 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