./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.oepc.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/pthread-wmm/safe019_rmo.oepc.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 63f865703c59d821a54141355edec3427193a51b37abbaa1f96833fe96db9b5e --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 18:08:50,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-31 18:08:50,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-31 18:08:50,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-31 18:08:50,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-31 18:08:50,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-31 18:08:50,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-31 18:08:50,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-31 18:08:50,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-31 18:08:50,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-31 18:08:50,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-31 18:08:50,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-31 18:08:50,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-31 18:08:50,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-31 18:08:50,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-31 18:08:50,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-31 18:08:50,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-31 18:08:50,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-31 18:08:50,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-31 18:08:50,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-31 18:08:50,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-31 18:08:50,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-31 18:08:50,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-31 18:08:50,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-31 18:08:50,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-31 18:08:50,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-31 18:08:50,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-31 18:08:50,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-31 18:08:50,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-31 18:08:50,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-31 18:08:50,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-31 18:08:50,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-31 18:08:50,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-31 18:08:50,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-31 18:08:50,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-31 18:08:50,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-31 18:08:50,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-31 18:08:50,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-31 18:08:50,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-31 18:08:50,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-31 18:08:50,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-31 18:08:50,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-31 18:08:50,302 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-31 18:08:50,303 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-31 18:08:50,304 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-31 18:08:50,304 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-31 18:08:50,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-31 18:08:50,305 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-31 18:08:50,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-31 18:08:50,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-31 18:08:50,306 INFO L138 SettingsManager]: * Use SBE=true [2023-08-31 18:08:50,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-31 18:08:50,307 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-31 18:08:50,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-31 18:08:50,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-31 18:08:50,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-31 18:08:50,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-31 18:08:50,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-31 18:08:50,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-31 18:08:50,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-31 18:08:50,308 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-31 18:08:50,308 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-31 18:08:50,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-31 18:08:50,309 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-31 18:08:50,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-31 18:08:50,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-31 18:08:50,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-31 18:08:50,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-31 18:08:50,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 18:08:50,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-31 18:08:50,310 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-31 18:08:50,310 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-31 18:08:50,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-31 18:08:50,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-31 18:08:50,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-31 18:08:50,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-31 18:08:50,311 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-31 18:08:50,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-31 18:08:50,311 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-31 18:08:50,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63f865703c59d821a54141355edec3427193a51b37abbaa1f96833fe96db9b5e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-08-31 18:08:50,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-31 18:08:50,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-31 18:08:50,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-31 18:08:50,627 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-31 18:08:50,628 INFO L275 PluginConnector]: CDTParser initialized [2023-08-31 18:08:50,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.oepc.i [2023-08-31 18:08:51,840 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-31 18:08:52,177 INFO L351 CDTParser]: Found 1 translation units. [2023-08-31 18:08:52,177 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.oepc.i [2023-08-31 18:08:52,199 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b0787f9/cb4aed6901fc420db13a61a8c38c7bb6/FLAG884570e0b [2023-08-31 18:08:52,214 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b0787f9/cb4aed6901fc420db13a61a8c38c7bb6 [2023-08-31 18:08:52,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-31 18:08:52,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-31 18:08:52,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-31 18:08:52,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-31 18:08:52,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-31 18:08:52,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f14617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52, skipping insertion in model container [2023-08-31 18:08:52,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-31 18:08:52,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-31 18:08:52,447 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/safe019_rmo.oepc.i[993,1006] [2023-08-31 18:08:52,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 18:08:52,705 INFO L203 MainTranslator]: Completed pre-run [2023-08-31 18:08:52,714 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/safe019_rmo.oepc.i[993,1006] [2023-08-31 18:08:52,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-31 18:08:52,841 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 18:08:52,841 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-31 18:08:52,847 INFO L208 MainTranslator]: Completed translation [2023-08-31 18:08:52,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52 WrapperNode [2023-08-31 18:08:52,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-31 18:08:52,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-31 18:08:52,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-31 18:08:52,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-31 18:08:52,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,913 INFO L138 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 810 [2023-08-31 18:08:52,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-31 18:08:52,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-31 18:08:52,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-31 18:08:52,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-31 18:08:52,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-31 18:08:52,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-31 18:08:52,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-31 18:08:52,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-31 18:08:52,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (1/1) ... [2023-08-31 18:08:52,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-31 18:08:53,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-31 18:08:53,027 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 18:08:53,061 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 18:08:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-31 18:08:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-31 18:08:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-31 18:08:53,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-31 18:08:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-31 18:08:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-31 18:08:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-31 18:08:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-31 18:08:53,081 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-31 18:08:53,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-31 18:08:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-31 18:08:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-31 18:08:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-31 18:08:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-31 18:08:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-31 18:08:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-31 18:08:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-31 18:08:53,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-31 18:08:53,084 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 18:08:53,262 INFO L236 CfgBuilder]: Building ICFG [2023-08-31 18:08:53,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-31 18:08:54,768 INFO L277 CfgBuilder]: Performing block encoding [2023-08-31 18:17:01,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-31 18:17:01,959 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-31 18:17:01,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 06:17:01 BoogieIcfgContainer [2023-08-31 18:17:01,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-31 18:17:01,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-31 18:17:01,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-31 18:17:01,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-31 18:17:01,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.08 06:08:52" (1/3) ... [2023-08-31 18:17:01,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbba1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 06:17:01, skipping insertion in model container [2023-08-31 18:17:01,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 06:08:52" (2/3) ... [2023-08-31 18:17:01,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbba1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.08 06:17:01, skipping insertion in model container [2023-08-31 18:17:01,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 06:17:01" (3/3) ... [2023-08-31 18:17:01,969 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.oepc.i [2023-08-31 18:17:01,977 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-31 18:17:01,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-31 18:17:01,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 308 error locations. [2023-08-31 18:17:01,985 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-31 18:17:23,890 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-31 18:17:23,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 465 places, 454 transitions, 928 flow [2023-08-31 18:18:14,028 INFO L130 PetriNetUnfolder]: 2/450 cut-off events. [2023-08-31 18:18:14,028 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 18:18:14,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 450 events. 2/450 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 2719 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 393. Up to 2 conditions per place. [2023-08-31 18:18:14,037 INFO L82 GeneralOperation]: Start removeDead. Operand has 465 places, 454 transitions, 928 flow [2023-08-31 18:18:14,059 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 461 places, 450 transitions, 912 flow [2023-08-31 18:18:14,062 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-31 18:18:14,069 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 450 transitions, 912 flow [2023-08-31 18:18:14,071 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 450 transitions, 912 flow [2023-08-31 18:18:14,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 461 places, 450 transitions, 912 flow [2023-08-31 18:19:02,812 INFO L130 PetriNetUnfolder]: 2/450 cut-off events. [2023-08-31 18:19:02,813 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-31 18:19:02,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 450 events. 2/450 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 2710 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 393. Up to 2 conditions per place. [2023-08-31 18:19:02,841 INFO L119 LiptonReduction]: Number of co-enabled transitions 94650 [2023-08-31 18:19:20,953 WARN L222 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 2091 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:19:29,236 WARN L222 SmtUtils]: Spent 8.28s on a formula simplification. DAG size of input: 2167 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:19:35,163 WARN L222 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 2717 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:19:51,016 WARN L222 SmtUtils]: Spent 15.84s on a formula simplification. DAG size of input: 3118 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:20:00,575 WARN L222 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 1585 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:20:09,069 WARN L222 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 2984 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:20:19,562 WARN L222 SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 3398 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:20:43,345 WARN L222 SmtUtils]: Spent 22.95s on a formula simplification. DAG size of input: 3821 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:20:48,898 WARN L222 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 1637 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:20:54,508 WARN L222 SmtUtils]: Spent 5.60s on a formula simplification. DAG size of input: 1616 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:21:03,900 WARN L222 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 1616 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-31 18:21:14,324 WARN L222 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 1611 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15