./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/28-race_reach_93-evilcollapse_racefree.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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-31 21:16:40,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 21:16:40,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 21:16:40,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 21:16:40,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 21:16:40,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 21:16:40,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 21:16:40,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 21:16:40,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 21:16:40,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 21:16:40,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 21:16:40,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 21:16:40,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 21:16:40,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 21:16:40,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 21:16:40,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 21:16:40,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 21:16:40,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 21:16:40,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 21:16:40,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 21:16:40,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 21:16:40,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 21:16:40,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 21:16:40,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 21:16:40,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 21:16:40,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 21:16:40,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 21:16:40,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 21:16:40,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 21:16:40,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 21:16:40,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 21:16:40,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 21:16:40,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 21:16:40,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 21:16:40,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 21:16:40,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 21:16:40,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 21:16:40,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 21:16:40,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 21:16:40,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 21:16:40,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 21:16:40,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 21:16:40,537 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 21:16:40,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 21:16:40,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 21:16:40,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 21:16:40,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 21:16:40,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 21:16:40,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 21:16:40,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 21:16:40,541 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 21:16:40,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 21:16:40,542 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 21:16:40,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 21:16:40,543 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 21:16:40,544 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 21:16:40,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 21:16:40,544 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 21:16:40,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 21:16:40,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 21:16:40,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 21:16:40,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 21:16:40,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:16:40,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 21:16:40,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 21:16:40,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 21:16:40,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 21:16:40,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 21:16:40,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 21:16:40,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 21:16:40,546 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 21:16:40,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 21:16:40,547 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 21:16:40,547 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 21:16:40,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 21:16:40,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 21:16:40,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 21:16:40,843 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 21:16:40,845 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 21:16:40,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-08-31 21:16:41,977 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 21:16:42,289 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 21:16:42,290 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-08-31 21:16:42,307 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4117199/a52dba53520b4db99450995e4c4f45d6/FLAG996db7bad [2023-08-31 21:16:42,323 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc4117199/a52dba53520b4db99450995e4c4f45d6 [2023-08-31 21:16:42,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 21:16:42,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 21:16:42,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 21:16:42,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 21:16:42,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 21:16:42,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:42,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50401369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42, skipping insertion in model container [2023-08-31 21:16:42,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:42,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 21:16:42,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 21:16:42,743 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_93-evilcollapse_racefree.i[47038,47051] [2023-08-31 21:16:42,765 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,766 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,766 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,767 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:16:42,828 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 21:16:42,875 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_93-evilcollapse_racefree.i[47038,47051] [2023-08-31 21:16:42,891 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,892 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,893 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,893 WARN L1562 CHandler]: Possible shadowing of function new [2023-08-31 21:16:42,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 21:16:42,962 INFO L208 MainTranslator]: Completed translation [2023-08-31 21:16:42,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42 WrapperNode [2023-08-31 21:16:42,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 21:16:42,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 21:16:42,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 21:16:42,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 21:16:42,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:42,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,028 INFO L138 Inliner]: procedures = 279, calls = 51, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 350 [2023-08-31 21:16:43,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 21:16:43,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 21:16:43,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 21:16:43,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 21:16:43,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 21:16:43,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 21:16:43,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 21:16:43,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 21:16:43,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (1/1) ... [2023-08-31 21:16:43,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 21:16:43,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 21:16:43,150 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) [2023-08-31 21:16:43,168 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 [2023-08-31 21:16:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-31 21:16:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 21:16:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-31 21:16:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-31 21:16:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-31 21:16:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 21:16:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 21:16:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 21:16:43,204 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-31 21:16:43,407 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 21:16:43,408 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 21:16:43,912 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 21:16:43,920 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 21:16:43,920 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-31 21:16:43,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:16:43 BoogieIcfgContainer [2023-08-31 21:16:43,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 21:16:43,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 21:16:43,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 21:16:43,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 21:16:43,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 09:16:42" (1/3) ... [2023-08-31 21:16:43,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c4cbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:16:43, skipping insertion in model container [2023-08-31 21:16:43,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 09:16:42" (2/3) ... [2023-08-31 21:16:43,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c4cbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 09:16:43, skipping insertion in model container [2023-08-31 21:16:43,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 09:16:43" (3/3) ... [2023-08-31 21:16:43,929 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2023-08-31 21:16:43,934 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 21:16:43,941 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 21:16:43,941 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-08-31 21:16:43,941 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 21:16:44,024 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-31 21:16:44,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 354 places, 378 transitions, 764 flow [2023-08-31 21:16:44,165 INFO L130 PetriNetUnfolder]: 29/400 cut-off events. [2023-08-31 21:16:44,166 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2023-08-31 21:16:44,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 400 events. 29/400 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1003 event pairs, 0 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 234. Up to 4 conditions per place. [2023-08-31 21:16:44,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 354 places, 378 transitions, 764 flow [2023-08-31 21:16:44,177 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 338 places, 361 transitions, 727 flow [2023-08-31 21:16:44,180 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 21:16:44,188 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 338 places, 361 transitions, 727 flow [2023-08-31 21:16:44,190 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 338 places, 361 transitions, 727 flow [2023-08-31 21:16:44,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 338 places, 361 transitions, 727 flow [2023-08-31 21:16:44,255 INFO L130 PetriNetUnfolder]: 28/383 cut-off events. [2023-08-31 21:16:44,256 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 21:16:44,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 383 events. 28/383 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 881 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 222. Up to 4 conditions per place. [2023-08-31 21:16:44,261 INFO L119 LiptonReduction]: Number of co-enabled transitions 7392 [2023-08-31 21:17:12,080 WARN L222 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:17:23,565 WARN L222 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:18:26,809 WARN L222 SmtUtils]: Spent 54.15s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:19:08,097 WARN L222 SmtUtils]: Spent 41.28s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:19:59,485 WARN L222 SmtUtils]: Spent 51.39s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:20:38,518 WARN L222 SmtUtils]: Spent 39.03s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:23:01,054 WARN L222 SmtUtils]: Spent 2.38m on a formula simplification that was a NOOP. DAG size: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:24:59,509 WARN L222 SmtUtils]: Spent 1.97m on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:27:00,867 WARN L222 SmtUtils]: Spent 2.02m on a formula simplification that was a NOOP. DAG size: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:28:57,712 WARN L222 SmtUtils]: Spent 1.95m on a formula simplification that was a NOOP. DAG size: 251 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 21:30:46,519 WARN L222 SmtUtils]: Spent 1.81m on a formula simplification that was a NOOP. DAG size: 254 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15