./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c 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 /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.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 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 16:12:12,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 16:12:12,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 16:12:12,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 16:12:12,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 16:12:12,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 16:12:12,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 16:12:12,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 16:12:12,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 16:12:12,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 16:12:12,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 16:12:12,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 16:12:12,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 16:12:12,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 16:12:12,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 16:12:12,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 16:12:12,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 16:12:12,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 16:12:12,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 16:12:12,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 16:12:12,338 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 16:12:12,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 16:12:12,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 16:12:12,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 16:12:12,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 16:12:12,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 16:12:12,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 16:12:12,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 16:12:12,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 16:12:12,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 16:12:12,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 16:12:12,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 16:12:12,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 16:12:12,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 16:12:12,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 16:12:12,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 16:12:12,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 16:12:12,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 16:12:12,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 16:12:12,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 16:12:12,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 16:12:12,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 16:12:12,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 16:12:12,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 16:12:12,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 16:12:12,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 16:12:12,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 16:12:12,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 16:12:12,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 16:12:12,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 16:12:12,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 16:12:12,391 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 16:12:12,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 16:12:12,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 16:12:12,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 16:12:12,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 16:12:12,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 16:12:12,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 16:12:12,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 16:12:12,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 16:12:12,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 16:12:12,393 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 16:12:12,395 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 16:12:12,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 16:12:12,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 16:12:12,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 16:12:12,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 16:12:12,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 16:12:12,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 16:12:12,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:12:12,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 16:12:12,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 16:12:12,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 16:12:12,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 16:12:12,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 16:12:12,397 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 16:12:12,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 16:12:12,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 16:12:12,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e08637578a960e5117d483812e56de1a390e4c3bc66da607109cc6e10390727 [2022-04-18 16:12:12,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 16:12:12,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 16:12:12,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 16:12:12,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 16:12:12,658 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 16:12:12,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 16:12:12,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eee14c6e/7eeb4da9336e45f0901e2f728237a9f5/FLAG260c1ee40 [2022-04-18 16:12:13,207 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 16:12:13,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 16:12:13,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eee14c6e/7eeb4da9336e45f0901e2f728237a9f5/FLAG260c1ee40 [2022-04-18 16:12:13,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eee14c6e/7eeb4da9336e45f0901e2f728237a9f5 [2022-04-18 16:12:13,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 16:12:13,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 16:12:13,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 16:12:13,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 16:12:13,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 16:12:13,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:12:13" (1/1) ... [2022-04-18 16:12:13,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551b7a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:13, skipping insertion in model container [2022-04-18 16:12:13,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 04:12:13" (1/1) ... [2022-04-18 16:12:13,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 16:12:13,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 16:12:13,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-04-18 16:12:14,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:12:14,039 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 16:12:14,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i[983,996] [2022-04-18 16:12:14,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 16:12:14,139 INFO L208 MainTranslator]: Completed translation [2022-04-18 16:12:14,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14 WrapperNode [2022-04-18 16:12:14,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 16:12:14,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 16:12:14,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 16:12:14,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 16:12:14,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,207 INFO L137 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 960 [2022-04-18 16:12:14,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 16:12:14,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 16:12:14,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 16:12:14,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 16:12:14,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 16:12:14,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 16:12:14,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 16:12:14,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 16:12:14,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (1/1) ... [2022-04-18 16:12:14,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 16:12:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-18 16:12:14,324 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) [2022-04-18 16:12:14,346 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 [2022-04-18 16:12:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 16:12:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 16:12:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 16:12:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 16:12:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 16:12:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-04-18 16:12:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-04-18 16:12:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-04-18 16:12:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-04-18 16:12:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-04-18 16:12:14,370 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-04-18 16:12:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 16:12:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 16:12:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 16:12:14,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 16:12:14,373 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 16:12:14,571 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 16:12:14,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 16:12:15,653 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 16:19:39,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 16:19:39,585 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-04-18 16:19:39,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:19:39 BoogieIcfgContainer [2022-04-18 16:19:39,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 16:19:39,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 16:19:39,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 16:19:39,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 16:19:39,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 04:12:13" (1/3) ... [2022-04-18 16:19:39,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5d836a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:19:39, skipping insertion in model container [2022-04-18 16:19:39,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 04:12:14" (2/3) ... [2022-04-18 16:19:39,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5d836a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 04:19:39, skipping insertion in model container [2022-04-18 16:19:39,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 04:19:39" (3/3) ... [2022-04-18 16:19:39,597 INFO L111 eAbstractionObserver]: Analyzing ICFG mix045_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-04-18 16:19:39,601 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 16:19:39,601 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 16:19:39,601 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 219 error locations. [2022-04-18 16:19:39,601 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 16:19:49,378 INFO L135 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-04-18 16:19:49,416 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 16:19:49,421 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-04-18 16:19:49,422 INFO L341 AbstractCegarLoop]: Starting to check reachability of 310 error locations. [2022-04-18 16:19:49,433 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 338 transitions, 691 flow [2022-04-18 16:19:49,839 INFO L129 PetriNetUnfolder]: 2/335 cut-off events. [2022-04-18 16:19:49,840 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:19:49,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 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 1959 event pairs, 0 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2022-04-18 16:19:49,847 INFO L82 GeneralOperation]: Start removeDead. Operand has 346 places, 338 transitions, 691 flow [2022-04-18 16:19:49,861 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 343 places, 335 transitions, 679 flow [2022-04-18 16:19:49,867 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2022-04-18 16:19:49,867 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-04-18 16:19:49,868 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:19:49,868 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:19:49,869 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 306 more)] === [2022-04-18 16:19:49,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:19:49,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1676684960, now seen corresponding path program 1 times [2022-04-18 16:19:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:19:49,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475024522] [2022-04-18 16:19:49,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:19:49,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:19:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:19:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:19:50,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:19:50,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475024522] [2022-04-18 16:19:50,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475024522] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:19:50,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:19:50,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 16:19:50,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894868229] [2022-04-18 16:19:50,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:19:50,670 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 16:19:50,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:19:50,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 16:19:50,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 16:19:50,694 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 338 [2022-04-18 16:19:50,697 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 335 transitions, 679 flow. Second operand has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:19:50,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:19:50,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 338 [2022-04-18 16:19:50,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-04-18 16:19:58,770 INFO L129 PetriNetUnfolder]: 1243/4871 cut-off events. [2022-04-18 16:19:58,770 INFO L130 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-04-18 16:19:58,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6753 conditions, 4871 events. 1243/4871 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 49631 event pairs, 1243 based on Foata normal form. 235/4746 useless extension candidates. Maximal degree in co-relation 6701. Up to 1828 conditions per place. [2022-04-18 16:19:58,803 INFO L132 encePairwiseOnDemand]: 119/338 looper letters, 19 selfloop transitions, 0 changer transitions 0/115 dead transitions. [2022-04-18 16:19:58,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 115 transitions, 277 flow [2022-04-18 16:19:58,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 16:19:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-04-18 16:19:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 436 transitions. [2022-04-18 16:19:58,815 INFO L547 CegarLoopForPetriNet]: DFA transition density 0.6449704142011834 [2022-04-18 16:19:58,816 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 436 transitions. [2022-04-18 16:19:58,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 436 transitions. [2022-04-18 16:19:58,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-04-18 16:19:58,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 436 transitions. [2022-04-18 16:19:58,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 218.0) internal successors, (436), 2 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:19:58,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:19:58,830 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:19:58,832 INFO L186 Difference]: Start difference. First operand has 343 places, 335 transitions, 679 flow. Second operand 2 states and 436 transitions. [2022-04-18 16:19:58,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 115 transitions, 277 flow [2022-04-18 16:19:58,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 115 transitions, 274 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-04-18 16:19:58,837 INFO L242 Difference]: Finished difference. Result has 123 places, 115 transitions, 236 flow [2022-04-18 16:19:58,839 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=236, PETRI_PLACES=123, PETRI_TRANSITIONS=115} [2022-04-18 16:19:58,847 INFO L335 CegarLoopForPetriNet]: 343 programPoint places, -220 predicate places. [2022-04-18 16:19:58,848 INFO L478 AbstractCegarLoop]: Abstraction has has 123 places, 115 transitions, 236 flow [2022-04-18 16:19:58,848 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 100.0) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:19:58,848 INFO L247 CegarLoopForPetriNet]: Found error trace [2022-04-18 16:19:58,849 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 16:19:58,849 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 16:19:58,849 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 306 more)] === [2022-04-18 16:19:58,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 16:19:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1302433867, now seen corresponding path program 1 times [2022-04-18 16:19:58,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-18 16:19:58,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041689599] [2022-04-18 16:19:58,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 16:19:58,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 16:19:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 16:19:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 16:19:59,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-18 16:19:59,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041689599] [2022-04-18 16:19:59,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041689599] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 16:19:59,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 16:19:59,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 16:19:59,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431266867] [2022-04-18 16:19:59,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 16:19:59,301 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 16:19:59,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-18 16:19:59,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 16:19:59,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 16:19:59,304 INFO L502 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 338 [2022-04-18 16:19:59,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 115 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 16:19:59,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-04-18 16:19:59,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 338 [2022-04-18 16:19:59,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand