./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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/09-regions_23-evilcollapse_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 02:28:47,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 02:28:47,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 02:28:47,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 02:28:47,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 02:28:47,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 02:28:47,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 02:28:47,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 02:28:47,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 02:28:47,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 02:28:47,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 02:28:47,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 02:28:47,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 02:28:47,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 02:28:47,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 02:28:47,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 02:28:47,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 02:28:47,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 02:28:47,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 02:28:47,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 02:28:47,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 02:28:47,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 02:28:47,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 02:28:47,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 02:28:47,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 02:28:47,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 02:28:47,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 02:28:47,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 02:28:47,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 02:28:47,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 02:28:47,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 02:28:47,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 02:28:47,973 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 02:28:47,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 02:28:47,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 02:28:47,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 02:28:47,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 02:28:47,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 02:28:47,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 02:28:47,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 02:28:47,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 02:28:47,979 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 02:28:48,011 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 02:28:48,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 02:28:48,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 02:28:48,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 02:28:48,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 02:28:48,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 02:28:48,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 02:28:48,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 02:28:48,014 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 02:28:48,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 02:28:48,015 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 02:28:48,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 02:28:48,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 02:28:48,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 02:28:48,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 02:28:48,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 02:28:48,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 02:28:48,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 02:28:48,017 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 02:28:48,017 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 02:28:48,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 02:28:48,017 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 02:28:48,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 02:28:48,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 02:28:48,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 02:28:48,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 02:28:48,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:28:48,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 02:28:48,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 02:28:48,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 02:28:48,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 02:28:48,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 02:28:48,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 02:28:48,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 02:28:48,019 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 02:28:48,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 02:28:48,020 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 02:28:48,020 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edbdacd2fc511db63719a3e7d2bd257b6310a833f5bcfcddcb6829e714260082 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 02:28:48,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 02:28:48,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 02:28:48,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 02:28:48,352 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 02:28:48,352 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 02:28:48,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i [2023-08-29 02:28:49,548 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 02:28:49,827 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 02:28:49,827 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i [2023-08-29 02:28:49,870 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0f742df/bf27e910a29b4b028fcc7bfac7db5472/FLAGa90496228 [2023-08-29 02:28:49,881 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec0f742df/bf27e910a29b4b028fcc7bfac7db5472 [2023-08-29 02:28:49,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 02:28:49,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 02:28:49,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 02:28:49,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 02:28:49,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 02:28:49,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:28:49" (1/1) ... [2023-08-29 02:28:49,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f860d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:49, skipping insertion in model container [2023-08-29 02:28:49,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:28:49" (1/1) ... [2023-08-29 02:28:49,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 02:28:49,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 02:28:50,264 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,266 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,266 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,270 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:28:50,335 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 02:28:50,393 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,393 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,394 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,394 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-29 02:28:50,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 02:28:50,447 INFO L208 MainTranslator]: Completed translation [2023-08-29 02:28:50,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50 WrapperNode [2023-08-29 02:28:50,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 02:28:50,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 02:28:50,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 02:28:50,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 02:28:50,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,529 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 271 [2023-08-29 02:28:50,532 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 02:28:50,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 02:28:50,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 02:28:50,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 02:28:50,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 02:28:50,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 02:28:50,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 02:28:50,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 02:28:50,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (1/1) ... [2023-08-29 02:28:50,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 02:28:50,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 02:28:50,648 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) [2023-08-29 02:28:50,670 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 [2023-08-29 02:28:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-08-29 02:28:50,684 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-08-29 02:28:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 02:28:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 02:28:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 02:28:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 02:28:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 02:28:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 02:28:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 02:28:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 02:28:50,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 02:28:50,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 02:28:50,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 02:28:50,687 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 02:28:50,851 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 02:28:50,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 02:28:51,235 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 02:28:51,248 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 02:28:51,248 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 02:28:51,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:28:51 BoogieIcfgContainer [2023-08-29 02:28:51,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 02:28:51,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 02:28:51,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 02:28:51,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 02:28:51,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:28:49" (1/3) ... [2023-08-29 02:28:51,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8b51e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:28:51, skipping insertion in model container [2023-08-29 02:28:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:28:50" (2/3) ... [2023-08-29 02:28:51,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8b51e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:28:51, skipping insertion in model container [2023-08-29 02:28:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:28:51" (3/3) ... [2023-08-29 02:28:51,259 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_23-evilcollapse_rc.i [2023-08-29 02:28:51,265 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 02:28:51,271 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 02:28:51,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-29 02:28:51,272 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 02:28:51,355 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 02:28:51,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 366 transitions, 742 flow [2023-08-29 02:28:51,516 INFO L130 PetriNetUnfolder]: 16/364 cut-off events. [2023-08-29 02:28:51,516 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:28:51,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 364 events. 16/364 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 650 event pairs, 0 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 289. Up to 2 conditions per place. [2023-08-29 02:28:51,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 366 transitions, 742 flow [2023-08-29 02:28:51,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 355 places, 364 transitions, 734 flow [2023-08-29 02:28:51,537 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 02:28:51,544 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 364 transitions, 734 flow [2023-08-29 02:28:51,546 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 355 places, 364 transitions, 734 flow [2023-08-29 02:28:51,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 364 transitions, 734 flow [2023-08-29 02:28:51,586 INFO L130 PetriNetUnfolder]: 16/364 cut-off events. [2023-08-29 02:28:51,586 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 02:28:51,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 364 events. 16/364 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 649 event pairs, 0 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 289. Up to 2 conditions per place. [2023-08-29 02:28:51,595 INFO L119 LiptonReduction]: Number of co-enabled transitions 12194 [2023-08-29 02:29:15,193 WARN L222 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 123 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:29:43,645 WARN L222 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 119 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:29:55,294 WARN L222 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 119 DAG size of output: 111 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:30:17,349 WARN L222 SmtUtils]: Spent 19.46s on a formula simplification. DAG size of input: 132 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:30:23,905 WARN L222 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:30:44,498 WARN L222 SmtUtils]: Spent 20.59s on a formula simplification. DAG size of input: 132 DAG size of output: 130 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:30:53,572 WARN L222 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:31:29,146 WARN L222 SmtUtils]: Spent 34.88s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:31:50,797 WARN L222 SmtUtils]: Spent 21.65s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:32:21,716 WARN L222 SmtUtils]: Spent 30.91s on a formula simplification that was a NOOP. DAG size: 172 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:32:44,141 WARN L222 SmtUtils]: Spent 22.42s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:33:00,435 WARN L222 SmtUtils]: Spent 16.27s on a formula simplification. DAG size of input: 154 DAG size of output: 152 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:33:06,149 WARN L222 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 144 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:33:25,662 WARN L222 SmtUtils]: Spent 19.50s on a formula simplification. DAG size of input: 163 DAG size of output: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:33:32,197 WARN L222 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:35:26,470 WARN L222 SmtUtils]: Spent 1.90m on a formula simplification that was a NOOP. DAG size: 257 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:36:25,889 WARN L222 SmtUtils]: Spent 59.42s on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:38:36,016 WARN L222 SmtUtils]: Spent 2.17m on a formula simplification that was a NOOP. DAG size: 257 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:39:59,970 WARN L222 SmtUtils]: Spent 1.40m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 02:42:11,687 WARN L222 SmtUtils]: Spent 2.20m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15