./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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_04-list2_nr.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 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:44:55,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:44:55,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:44:55,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:44:55,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:44:55,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:44:55,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:44:55,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:44:55,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:44:55,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:44:55,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:44:55,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:44:55,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:44:55,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:44:55,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:44:55,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:44:55,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:44:55,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:44:55,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:44:55,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:44:55,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:44:55,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:44:55,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:44:55,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:44:55,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:44:55,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:44:55,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:44:55,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:44:55,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:44:55,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:44:55,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:44:55,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:44:55,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:44:55,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:44:55,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:44:55,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:44:55,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:44:55,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:44:55,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:44:55,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:44:55,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:44:55,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:44:55,494 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:44:55,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:44:55,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:44:55,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:44:55,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:44:55,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:44:55,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:44:55,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:44:55,498 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:44:55,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:44:55,499 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:44:55,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:44:55,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:44:55,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:44:55,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:44:55,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:44:55,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:44:55,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:44:55,501 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:44:55,501 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:44:55,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:44:55,501 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:44:55,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:44:55,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:44:55,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:44:55,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:44:55,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:44:55,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:44:55,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:44:55,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:44:55,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:44:55,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:44:55,504 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:44:55,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:44:55,504 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:44:55,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:44:55,504 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:44:55,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:44:55,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:44:55,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:44:55,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:44:55,836 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:44:55,837 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:44:55,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-29 17:44:56,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:44:57,194 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:44:57,195 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-29 17:44:57,209 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b6cbefa/17dc0b6668844c61b0e29f4ee44f1795/FLAG1a13d84a1 [2023-08-29 17:44:57,220 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b6cbefa/17dc0b6668844c61b0e29f4ee44f1795 [2023-08-29 17:44:57,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:44:57,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:44:57,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:44:57,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:44:57,227 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:44:57,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166dae56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57, skipping insertion in model container [2023-08-29 17:44:57,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:44:57,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:44:57,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:44:57,705 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:44:57,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:44:57,818 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:44:57,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57 WrapperNode [2023-08-29 17:44:57,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:44:57,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:44:57,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:44:57,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:44:57,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,874 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 196 [2023-08-29 17:44:57,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:44:57,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:44:57,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:44:57,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:44:57,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:44:57,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:44:57,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:44:57,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:44:57,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (1/1) ... [2023-08-29 17:44:57,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:44:57,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:44:57,998 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 17:44:58,028 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 17:44:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:44:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:44:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:44:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:44:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:44:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 17:44:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:44:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:44:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:44:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 17:44:58,045 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 17:44:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:44:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:44:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:44:58,047 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 17:44:58,240 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:44:58,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:44:58,750 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:44:58,765 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:44:58,766 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 17:44:58,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:44:58 BoogieIcfgContainer [2023-08-29 17:44:58,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:44:58,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:44:58,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:44:58,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:44:58,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:44:57" (1/3) ... [2023-08-29 17:44:58,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50960738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:44:58, skipping insertion in model container [2023-08-29 17:44:58,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:44:57" (2/3) ... [2023-08-29 17:44:58,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50960738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:44:58, skipping insertion in model container [2023-08-29 17:44:58,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:44:58" (3/3) ... [2023-08-29 17:44:58,779 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-08-29 17:44:58,787 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:44:58,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:44:58,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2023-08-29 17:44:58,795 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:44:58,859 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 17:44:58,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 297 places, 293 transitions, 591 flow [2023-08-29 17:44:59,042 INFO L130 PetriNetUnfolder]: 0/292 cut-off events. [2023-08-29 17:44:59,042 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:44:59,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 292 events. 0/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 17:44:59,046 INFO L82 GeneralOperation]: Start removeDead. Operand has 297 places, 293 transitions, 591 flow [2023-08-29 17:44:59,055 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 292 transitions, 587 flow [2023-08-29 17:44:59,058 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:44:59,065 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 296 places, 292 transitions, 587 flow [2023-08-29 17:44:59,068 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 296 places, 292 transitions, 587 flow [2023-08-29 17:44:59,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 292 transitions, 587 flow [2023-08-29 17:44:59,125 INFO L130 PetriNetUnfolder]: 0/292 cut-off events. [2023-08-29 17:44:59,126 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:44:59,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 292 events. 0/292 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 155 event pairs, 0 based on Foata normal form. 0/262 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-29 17:44:59,130 INFO L119 LiptonReduction]: Number of co-enabled transitions 7590 [2023-08-29 17:45:36,052 WARN L222 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:45:43,732 WARN L222 SmtUtils]: Spent 7.68s 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 17:45:51,559 WARN L222 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:45:57,848 WARN L222 SmtUtils]: Spent 6.29s 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 17:46:35,111 WARN L222 SmtUtils]: Spent 29.44s on a formula simplification. DAG size of input: 272 DAG size of output: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:47:13,401 WARN L222 SmtUtils]: Spent 35.03s on a formula simplification. DAG size of input: 272 DAG size of output: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:47:27,581 WARN L222 SmtUtils]: Spent 14.18s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:47:58,386 WARN L222 SmtUtils]: Spent 30.71s on a formula simplification. DAG size of input: 208 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:48:04,517 WARN L222 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:48:42,817 WARN L222 SmtUtils]: Spent 38.30s on a formula simplification. DAG size of input: 208 DAG size of output: 206 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:48:50,963 WARN L222 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:53:22,967 WARN L222 SmtUtils]: Spent 4.52m on a formula simplification. DAG size of input: 395 DAG size of output: 393 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:53:53,526 WARN L222 SmtUtils]: Spent 30.55s on a formula simplification that was a NOOP. DAG size: 343 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:56:24,466 WARN L222 SmtUtils]: Spent 2.52m on a formula simplification. DAG size of input: 395 DAG size of output: 393 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:57:00,989 WARN L222 SmtUtils]: Spent 36.51s on a formula simplification that was a NOOP. DAG size: 343 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:58:16,351 WARN L222 SmtUtils]: Spent 1.26m on a formula simplification that was a NOOP. DAG size: 377 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:58:51,123 WARN L222 SmtUtils]: Spent 34.77s on a formula simplification that was a NOOP. DAG size: 371 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15