./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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 ../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:25:10,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:25:10,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:25:10,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:25:10,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:25:10,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:25:10,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:25:10,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:25:10,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:25:10,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:25:10,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:25:10,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:25:10,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:25:10,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:25:10,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:25:10,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:25:10,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:25:10,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:25:10,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:25:10,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:25:10,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:25:11,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:25:11,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:25:11,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:25:11,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:25:11,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:25:11,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:25:11,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:25:11,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:25:11,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:25:11,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:25:11,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:25:11,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:25:11,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:25:11,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:25:11,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:25:11,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:25:11,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:25:11,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:25:11,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:25:11,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:25:11,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 12:25:11,051 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:25:11,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:25:11,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:25:11,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:25:11,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:25:11,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:25:11,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:25:11,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:25:11,055 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:25:11,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:25:11,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:25:11,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:25:11,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:25:11,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:25:11,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:25:11,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:25:11,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:25:11,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:25:11,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:25:11,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:25:11,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:25:11,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:25:11,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:25:11,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:25:11,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:11,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:25:11,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:25:11,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:25:11,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:25:11,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:25:11,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:25:11,059 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:25:11,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:25:11,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:25:11,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac [2021-12-15 12:25:11,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:25:11,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:25:11,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:25:11,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:25:11,315 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:25:11,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-15 12:25:11,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39b53706/8a8bff97f42b45909550ca99deb0532c/FLAG0c52f6d1f [2021-12-15 12:25:11,703 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:25:11,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-15 12:25:11,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39b53706/8a8bff97f42b45909550ca99deb0532c/FLAG0c52f6d1f [2021-12-15 12:25:12,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f39b53706/8a8bff97f42b45909550ca99deb0532c [2021-12-15 12:25:12,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:25:12,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:25:12,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:12,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:25:12,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:25:12,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36081239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12, skipping insertion in model container [2021-12-15 12:25:12,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:25:12,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:25:12,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-12-15 12:25:12,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:12,429 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:25:12,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-12-15 12:25:12,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:12,508 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:25:12,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12 WrapperNode [2021-12-15 12:25:12,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:12,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:12,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:25:12,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:25:12,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,569 INFO L137 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 175 [2021-12-15 12:25:12,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:12,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:25:12,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:25:12,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:25:12,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:25:12,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:25:12,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:25:12,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:25:12,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:12" (1/1) ... [2021-12-15 12:25:12,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:25:12,649 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) [2021-12-15 12:25:12,654 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 [2021-12-15 12:25:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:25:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:25:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:25:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:25:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:25:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:25:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:25:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:25:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:25:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:25:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:25:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:25:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:25:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:25:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:25:12,677 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:25:12,869 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:25:12,870 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:25:13,251 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:25:13,307 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 12:25:13,310 INFO L158 Benchmark]: Toolchain (without parser) took 1205.42ms. Allocated memory is still 92.3MB. Free memory was 53.2MB in the beginning and 42.0MB in the end (delta: 11.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-12-15 12:25:13,311 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:25:13,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.41ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 54.8MB in the end (delta: -1.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-15 12:25:13,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 52.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:13,314 INFO L158 Benchmark]: Boogie Preprocessor took 44.94ms. Allocated memory is still 92.3MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:13,315 INFO L158 Benchmark]: RCFGBuilder took 693.26ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 42.0MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:25:13,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.41ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 54.8MB in the end (delta: -1.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 52.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.94ms. Allocated memory is still 92.3MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.26ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 42.0MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:25:13,350 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 0 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 ../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:25:15,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:25:15,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:25:15,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:25:15,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:25:15,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:25:15,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:25:15,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:25:15,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:25:15,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:25:15,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:25:15,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:25:15,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:25:15,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:25:15,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:25:15,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:25:15,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:25:15,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:25:15,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:25:15,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:25:15,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:25:15,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:25:15,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:25:15,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:25:15,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:25:15,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:25:15,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:25:15,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:25:15,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:25:15,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:25:15,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:25:15,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:25:15,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:25:15,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:25:15,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:25:15,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:25:15,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:25:15,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:25:15,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:25:15,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:25:15,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:25:15,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 12:25:15,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:25:15,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:25:15,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:25:15,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:25:15,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:25:15,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:25:15,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:25:15,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:25:15,313 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:25:15,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:25:15,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 12:25:15,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 12:25:15,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:25:15,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 12:25:15,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:25:15,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:25:15,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:25:15,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:25:15,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:25:15,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:25:15,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:15,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:25:15,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:25:15,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:25:15,317 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:25:15,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:25:15,318 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:25:15,318 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:25:15,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:25:15,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:25:15,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:25:15,318 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac [2021-12-15 12:25:15,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:25:15,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:25:15,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:25:15,609 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:25:15,609 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:25:15,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-15 12:25:15,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35671421e/89963d7723c8487ab1d236edb0829d21/FLAGae90d5119 [2021-12-15 12:25:16,090 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:25:16,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-12-15 12:25:16,100 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35671421e/89963d7723c8487ab1d236edb0829d21/FLAGae90d5119 [2021-12-15 12:25:16,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35671421e/89963d7723c8487ab1d236edb0829d21 [2021-12-15 12:25:16,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:25:16,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:25:16,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:16,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:25:16,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:25:16,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:16" (1/1) ... [2021-12-15 12:25:16,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8766b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:16, skipping insertion in model container [2021-12-15 12:25:16,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:25:16" (1/1) ... [2021-12-15 12:25:16,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:25:16,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:25:16,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-12-15 12:25:16,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:16,964 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:25:16,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-12-15 12:25:17,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:25:17,057 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:25:17,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17 WrapperNode [2021-12-15 12:25:17,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:25:17,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:17,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:25:17,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:25:17,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,119 INFO L137 Inliner]: procedures = 179, calls = 52, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2021-12-15 12:25:17,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:25:17,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:25:17,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:25:17,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:25:17,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:25:17,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:25:17,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:25:17,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:25:17,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:25:17" (1/1) ... [2021-12-15 12:25:17,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:25:17,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:25:17,203 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) [2021-12-15 12:25:17,212 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 [2021-12-15 12:25:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 12:25:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:25:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:25:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:25:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:25:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:25:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-12-15 12:25:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-12-15 12:25:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-12-15 12:25:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-12-15 12:25:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-12-15 12:25:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-12-15 12:25:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 12:25:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:25:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:25:17,247 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-15 12:25:17,405 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:25:17,406 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:25:17,818 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:25:17,876 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 12:25:17,879 INFO L158 Benchmark]: Toolchain (without parser) took 1454.65ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 48.4MB in the beginning and 74.8MB in the end (delta: -26.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-12-15 12:25:17,880 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:25:17,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.45ms. Allocated memory is still 69.2MB. Free memory was 48.1MB in the beginning and 39.0MB in the end (delta: 9.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-15 12:25:17,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.51ms. Allocated memory is still 69.2MB. Free memory was 39.0MB in the beginning and 36.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 12:25:17,881 INFO L158 Benchmark]: Boogie Preprocessor took 57.97ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 33.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:25:17,882 INFO L158 Benchmark]: RCFGBuilder took 699.43ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 33.8MB in the beginning and 74.8MB in the end (delta: -41.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-12-15 12:25:17,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.45ms. Allocated memory is still 69.2MB. Free memory was 48.1MB in the beginning and 39.0MB in the end (delta: 9.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.51ms. Allocated memory is still 69.2MB. Free memory was 39.0MB in the beginning and 36.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.97ms. Allocated memory is still 69.2MB. Free memory was 36.4MB in the beginning and 33.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.43ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 33.8MB in the beginning and 74.8MB in the end (delta: -41.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:25:17,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable