./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.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/pthread-wmm/thin002_rmo.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 f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 --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 16:27:15,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 16:27:15,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 16:27:15,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 16:27:15,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 16:27:15,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 16:27:15,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 16:27:15,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 16:27:15,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 16:27:15,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 16:27:15,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 16:27:15,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 16:27:15,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 16:27:15,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 16:27:15,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 16:27:15,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 16:27:15,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 16:27:15,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 16:27:15,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 16:27:15,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 16:27:15,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 16:27:15,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 16:27:15,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 16:27:15,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 16:27:15,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 16:27:15,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 16:27:15,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 16:27:15,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 16:27:15,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 16:27:15,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 16:27:15,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 16:27:15,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 16:27:15,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 16:27:15,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 16:27:15,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 16:27:15,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 16:27:15,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 16:27:15,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 16:27:15,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 16:27:15,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 16:27:15,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 16:27:15,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 16:27:15,492 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 16:27:15,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 16:27:15,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 16:27:15,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 16:27:15,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 16:27:15,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 16:27:15,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 16:27:15,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 16:27:15,496 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 16:27:15,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 16:27:15,497 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 16:27:15,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 16:27:15,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 16:27:15,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 16:27:15,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 16:27:15,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 16:27:15,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 16:27:15,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 16:27:15,498 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 16:27:15,498 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 16:27:15,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 16:27:15,499 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 16:27:15,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 16:27:15,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 16:27:15,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 16:27:15,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 16:27:15,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:27:15,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 16:27:15,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 16:27:15,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 16:27:15,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 16:27:15,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 16:27:15,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 16:27:15,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 16:27:15,501 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 16:27:15,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 16:27:15,502 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 16:27:15,502 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d8ae33a1a7c98578096fc4895533f629cc4062ad641b886abfeea14ddb85d4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 16:27:15,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 16:27:15,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 16:27:15,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 16:27:15,850 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 16:27:15,850 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 16:27:15,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_rmo.i [2023-08-29 16:27:17,028 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 16:27:17,304 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 16:27:17,305 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_rmo.i [2023-08-29 16:27:17,319 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6397fb9a9/f5dc6547a53a440db8b1c2c186d8b62d/FLAG1036b1dba [2023-08-29 16:27:17,331 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6397fb9a9/f5dc6547a53a440db8b1c2c186d8b62d [2023-08-29 16:27:17,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 16:27:17,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 16:27:17,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 16:27:17,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 16:27:17,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 16:27:17,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:17,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bac5143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17, skipping insertion in model container [2023-08-29 16:27:17,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:17,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 16:27:17,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 16:27:17,586 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_rmo.i[988,1001] [2023-08-29 16:27:17,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:27:17,836 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 16:27:17,849 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_rmo.i[988,1001] [2023-08-29 16:27:17,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 16:27:17,972 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:27:17,972 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 16:27:17,978 INFO L208 MainTranslator]: Completed translation [2023-08-29 16:27:17,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17 WrapperNode [2023-08-29 16:27:17,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 16:27:17,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 16:27:17,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 16:27:17,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 16:27:17,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,060 INFO L138 Inliner]: procedures = 177, calls = 80, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 340 [2023-08-29 16:27:18,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 16:27:18,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 16:27:18,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 16:27:18,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 16:27:18,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 16:27:18,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 16:27:18,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 16:27:18,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 16:27:18,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (1/1) ... [2023-08-29 16:27:18,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 16:27:18,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 16:27:18,161 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 16:27:18,183 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 16:27:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 16:27:18,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 16:27:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 16:27:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 16:27:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 16:27:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 16:27:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-29 16:27:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-29 16:27:18,198 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-29 16:27:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-29 16:27:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-29 16:27:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-29 16:27:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-29 16:27:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-29 16:27:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 16:27:18,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 16:27:18,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 16:27:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 16:27:18,202 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 16:27:18,461 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 16:27:18,463 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 16:27:19,462 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 16:28:42,422 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 16:28:42,423 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 16:28:42,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:28:42 BoogieIcfgContainer [2023-08-29 16:28:42,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 16:28:42,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 16:28:42,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 16:28:42,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 16:28:42,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:27:17" (1/3) ... [2023-08-29 16:28:42,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b82dec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:28:42, skipping insertion in model container [2023-08-29 16:28:42,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:27:17" (2/3) ... [2023-08-29 16:28:42,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b82dec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:28:42, skipping insertion in model container [2023-08-29 16:28:42,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:28:42" (3/3) ... [2023-08-29 16:28:42,432 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_rmo.i [2023-08-29 16:28:42,440 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 16:28:42,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 16:28:42,448 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 189 error locations. [2023-08-29 16:28:42,448 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 16:28:50,450 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 16:28:50,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 350 places, 339 transitions, 698 flow [2023-08-29 16:28:58,398 INFO L130 PetriNetUnfolder]: 2/335 cut-off events. [2023-08-29 16:28:58,398 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 16:28:58,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 335 events. 2/335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1536 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 275. Up to 2 conditions per place. [2023-08-29 16:28:58,409 INFO L82 GeneralOperation]: Start removeDead. Operand has 350 places, 339 transitions, 698 flow [2023-08-29 16:28:58,428 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 346 places, 335 transitions, 682 flow [2023-08-29 16:28:58,431 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 16:28:58,442 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 346 places, 335 transitions, 682 flow [2023-08-29 16:28:58,449 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 346 places, 335 transitions, 682 flow [2023-08-29 16:28:58,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 346 places, 335 transitions, 682 flow [2023-08-29 16:29:05,442 INFO L130 PetriNetUnfolder]: 2/335 cut-off events. [2023-08-29 16:29:05,443 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 16:29:05,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 335 events. 2/335 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1540 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 275. Up to 2 conditions per place. [2023-08-29 16:29:05,466 INFO L119 LiptonReduction]: Number of co-enabled transitions 46928 [2023-08-29 16:29:50,861 WARN L222 SmtUtils]: Spent 8.96s on a formula simplification. DAG size of input: 2420 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:30:02,180 WARN L222 SmtUtils]: Spent 7.27s on a formula simplification. DAG size of input: 1952 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:30:09,789 WARN L222 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 1933 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:30:15,677 WARN L222 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 1933 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:30:22,893 WARN L222 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 1933 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:30:29,854 WARN L222 SmtUtils]: Spent 6.95s on a formula simplification. DAG size of input: 1933 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:30:37,026 WARN L222 SmtUtils]: Spent 7.17s on a formula simplification. DAG size of input: 1933 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:31:18,592 WARN L222 SmtUtils]: Spent 26.67s on a formula simplification. DAG size of input: 4461 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:31:52,913 WARN L222 SmtUtils]: Spent 34.31s on a formula simplification. DAG size of input: 4670 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:32:06,955 WARN L222 SmtUtils]: Spent 14.03s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:32:21,222 WARN L222 SmtUtils]: Spent 14.26s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:32:33,075 WARN L222 SmtUtils]: Spent 11.84s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:32:45,974 WARN L222 SmtUtils]: Spent 12.89s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:33:28,932 WARN L222 SmtUtils]: Spent 42.94s on a formula simplification. DAG size of input: 5589 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:34:17,786 WARN L222 SmtUtils]: Spent 48.84s on a formula simplification. DAG size of input: 5621 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:35:10,291 WARN L222 SmtUtils]: Spent 52.49s on a formula simplification. DAG size of input: 6025 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:36:05,241 WARN L222 SmtUtils]: Spent 54.93s on a formula simplification. DAG size of input: 6027 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:36:53,010 WARN L222 SmtUtils]: Spent 47.76s on a formula simplification. DAG size of input: 6025 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:38:02,950 WARN L222 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 6856 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:38:32,152 WARN L222 SmtUtils]: Spent 29.19s on a formula simplification. DAG size of input: 6445 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:39:56,435 WARN L222 SmtUtils]: Spent 1.40m on a formula simplification. DAG size of input: 7657 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:40:12,704 WARN L222 SmtUtils]: Spent 16.26s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:40:27,193 WARN L222 SmtUtils]: Spent 14.48s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:40:43,449 WARN L222 SmtUtils]: Spent 16.25s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:40:59,557 WARN L222 SmtUtils]: Spent 16.10s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 16:41:14,851 WARN L222 SmtUtils]: Spent 15.29s on a formula simplification. DAG size of input: 2934 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15