./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --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/safe018_power.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 449d00de99d52e6ea9aa539e57f46adfc8dfbb78972c0dc655f91843e743f43f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 08:10:40,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 08:10:40,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 08:10:40,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 08:10:40,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 08:10:40,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 08:10:40,572 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 08:10:40,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 08:10:40,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 08:10:40,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 08:10:40,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 08:10:40,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 08:10:40,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 08:10:40,587 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 08:10:40,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 08:10:40,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 08:10:40,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 08:10:40,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 08:10:40,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 08:10:40,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 08:10:40,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 08:10:40,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 08:10:40,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 08:10:40,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 08:10:40,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 08:10:40,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 08:10:40,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 08:10:40,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 08:10:40,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 08:10:40,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 08:10:40,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 08:10:40,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 08:10:40,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 08:10:40,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 08:10:40,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 08:10:40,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 08:10:40,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 08:10:40,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 08:10:40,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 08:10:40,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 08:10:40,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 08:10:40,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 08:10:40,672 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 08:10:40,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 08:10:40,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 08:10:40,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 08:10:40,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 08:10:40,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 08:10:40,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 08:10:40,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 08:10:40,677 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 08:10:40,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 08:10:40,678 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 08:10:40,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 08:10:40,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 08:10:40,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 08:10:40,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 08:10:40,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 08:10:40,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 08:10:40,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 08:10:40,679 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 08:10:40,680 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 08:10:40,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 08:10:40,680 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 08:10:40,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 08:10:40,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 08:10:40,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 08:10:40,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 08:10:40,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 08:10:40,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 08:10:40,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 08:10:40,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 08:10:40,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 08:10:40,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 08:10:40,683 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 08:10:40,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 08:10:40,683 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 08:10:40,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 08:10:40,684 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 08:10:40,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d00de99d52e6ea9aa539e57f46adfc8dfbb78972c0dc655f91843e743f43f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 08:10:40,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 08:10:40,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 08:10:40,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 08:10:41,000 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 08:10:41,000 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 08:10:41,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2023-08-29 08:10:42,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 08:10:42,526 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 08:10:42,527 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2023-08-29 08:10:42,557 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eef9ebf31/3903283fdc21463d81263ee998ed26ba/FLAGa5d5ccf69 [2023-08-29 08:10:42,574 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eef9ebf31/3903283fdc21463d81263ee998ed26ba [2023-08-29 08:10:42,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 08:10:42,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 08:10:42,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 08:10:42,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 08:10:42,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 08:10:42,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:10:42" (1/1) ... [2023-08-29 08:10:42,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36de3ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:42, skipping insertion in model container [2023-08-29 08:10:42,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:10:42" (1/1) ... [2023-08-29 08:10:42,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 08:10:42,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 08:10:42,815 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/safe018_power.oepc.i[995,1008] [2023-08-29 08:10:43,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 08:10:43,051 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 08:10:43,062 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/safe018_power.oepc.i[995,1008] [2023-08-29 08:10:43,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 08:10:43,198 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 08:10:43,198 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 08:10:43,204 INFO L208 MainTranslator]: Completed translation [2023-08-29 08:10:43,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43 WrapperNode [2023-08-29 08:10:43,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 08:10:43,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 08:10:43,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 08:10:43,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 08:10:43,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,300 INFO L138 Inliner]: procedures = 176, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 316 [2023-08-29 08:10:43,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 08:10:43,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 08:10:43,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 08:10:43,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 08:10:43,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 08:10:43,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 08:10:43,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 08:10:43,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 08:10:43,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (1/1) ... [2023-08-29 08:10:43,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 08:10:43,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 08:10:43,442 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 08:10:43,469 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 08:10:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 08:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 08:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 08:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 08:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 08:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 08:10:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-29 08:10:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-29 08:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-29 08:10:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-29 08:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-29 08:10:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-29 08:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 08:10:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 08:10:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 08:10:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 08:10:43,484 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 08:10:43,666 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 08:10:43,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 08:10:44,878 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 08:19:07,107 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 08:19:07,107 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 08:19:07,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:19:07 BoogieIcfgContainer [2023-08-29 08:19:07,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 08:19:07,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 08:19:07,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 08:19:07,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 08:19:07,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 08:10:42" (1/3) ... [2023-08-29 08:19:07,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41099dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:19:07, skipping insertion in model container [2023-08-29 08:19:07,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:10:43" (2/3) ... [2023-08-29 08:19:07,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41099dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 08:19:07, skipping insertion in model container [2023-08-29 08:19:07,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 08:19:07" (3/3) ... [2023-08-29 08:19:07,117 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_power.oepc.i [2023-08-29 08:19:07,125 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 08:19:07,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 08:19:07,134 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 231 error locations. [2023-08-29 08:19:07,134 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 08:19:41,658 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 08:19:41,663 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 08:19:41,667 INFO L158 Benchmark]: Toolchain (without parser) took 539088.48ms. Allocated memory was 92.3MB in the beginning and 15.7GB in the end (delta: 15.6GB). Free memory was 66.4MB in the beginning and 12.0GB in the end (delta: -11.9GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2023-08-29 08:19:41,667 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 08:19:41,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.57ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 60.9MB in the end (delta: 5.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-29 08:19:41,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.65ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 57.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 08:19:41,669 INFO L158 Benchmark]: Boogie Preprocessor took 96.79ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 52.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 08:19:41,670 INFO L158 Benchmark]: RCFGBuilder took 503708.50ms. Allocated memory was 92.3MB in the beginning and 15.6GB in the end (delta: 15.5GB). Free memory was 52.5MB in the beginning and 12.8GB in the end (delta: -12.7GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. [2023-08-29 08:19:41,670 INFO L158 Benchmark]: TraceAbstraction took 34553.66ms. Allocated memory was 15.6GB in the beginning and 15.7GB in the end (delta: 130.0MB). Free memory was 12.8GB in the beginning and 12.0GB in the end (delta: 760.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-08-29 08:19:41,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory is still 38.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.57ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 60.9MB in the end (delta: 5.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.65ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 57.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.79ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 52.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 503708.50ms. Allocated memory was 92.3MB in the beginning and 15.6GB in the end (delta: 15.5GB). Free memory was 52.5MB in the beginning and 12.8GB in the end (delta: -12.7GB). Peak memory consumption was 5.5GB. Max. memory is 16.1GB. * TraceAbstraction took 34553.66ms. Allocated memory was 15.6GB in the beginning and 15.7GB in the end (delta: 130.0MB). Free memory was 12.8GB in the beginning and 12.0GB in the end (delta: 760.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 08:19:41,897 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-08-29 08:19:41,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/safe018_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.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 449d00de99d52e6ea9aa539e57f46adfc8dfbb78972c0dc655f91843e743f43f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 08:19:44,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 08:19:44,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 08:19:44,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 08:19:44,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 08:19:44,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 08:19:44,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 08:19:44,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 08:19:44,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 08:19:44,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 08:19:44,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 08:19:44,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 08:19:44,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 08:19:44,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 08:19:44,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 08:19:44,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 08:19:44,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 08:19:44,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 08:19:44,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 08:19:44,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 08:19:44,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 08:19:44,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 08:19:44,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 08:19:44,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 08:19:44,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 08:19:44,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 08:19:44,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 08:19:44,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 08:19:44,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 08:19:44,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 08:19:44,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 08:19:44,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 08:19:44,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 08:19:44,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 08:19:44,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 08:19:44,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 08:19:44,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 08:19:44,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 08:19:44,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 08:19:44,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 08:19:44,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 08:19:44,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 08:19:44,506 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 08:19:44,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 08:19:44,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 08:19:44,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 08:19:44,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 08:19:44,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 08:19:44,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 08:19:44,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 08:19:44,509 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 08:19:44,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 08:19:44,510 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 08:19:44,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 08:19:44,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 08:19:44,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 08:19:44,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 08:19:44,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 08:19:44,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 08:19:44,512 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 08:19:44,512 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 08:19:44,512 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 08:19:44,512 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 08:19:44,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 08:19:44,513 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 08:19:44,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 08:19:44,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 08:19:44,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 08:19:44,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 08:19:44,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 08:19:44,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 08:19:44,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 08:19:44,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 08:19:44,515 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 08:19:44,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 08:19:44,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 08:19:44,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 08:19:44,515 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 08:19:44,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 08:19:44,516 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 08:19:44,516 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 08:19:44,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d00de99d52e6ea9aa539e57f46adfc8dfbb78972c0dc655f91843e743f43f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 08:19:44,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 08:19:44,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 08:19:44,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 08:19:44,879 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 08:19:44,879 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 08:19:44,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2023-08-29 08:19:46,102 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 08:19:46,382 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 08:19:46,383 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.oepc.i [2023-08-29 08:19:46,397 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1cc642f/2bb69d428eab484c8e93f3506943caf8/FLAGdbd50b51b [2023-08-29 08:19:46,415 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a1cc642f/2bb69d428eab484c8e93f3506943caf8 [2023-08-29 08:19:46,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 08:19:46,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 08:19:46,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 08:19:46,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 08:19:46,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 08:19:46,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:19:46" (1/1) ... [2023-08-29 08:19:46,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361f9605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:46, skipping insertion in model container [2023-08-29 08:19:46,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 08:19:46" (1/1) ... [2023-08-29 08:19:46,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 08:19:46,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 08:19:46,606 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/safe018_power.oepc.i[995,1008] [2023-08-29 08:19:46,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 08:19:46,911 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 08:19:46,922 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/safe018_power.oepc.i[995,1008] [2023-08-29 08:19:46,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 08:19:47,005 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 08:19:47,006 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 08:19:47,011 INFO L208 MainTranslator]: Completed translation [2023-08-29 08:19:47,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47 WrapperNode [2023-08-29 08:19:47,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 08:19:47,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 08:19:47,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 08:19:47,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 08:19:47,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,079 INFO L138 Inliner]: procedures = 180, calls = 67, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 317 [2023-08-29 08:19:47,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 08:19:47,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 08:19:47,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 08:19:47,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 08:19:47,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 08:19:47,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 08:19:47,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 08:19:47,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 08:19:47,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 08:19:47" (1/1) ... [2023-08-29 08:19:47,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 08:19:47,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 08:19:47,237 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 08:19:47,261 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 08:19:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 08:19:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 08:19:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 08:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 08:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 08:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 08:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 08:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 08:19:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-29 08:19:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-29 08:19:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-29 08:19:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-29 08:19:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-29 08:19:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-29 08:19:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 08:19:47,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 08:19:47,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 08:19:47,287 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 08:19:47,551 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 08:19:47,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 08:19:48,923 INFO L277 CfgBuilder]: Performing block encoding Killed by 15