./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix012_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/mix012_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 113feeaecf8d9417460b2edea2f8119d43f3e77a ......................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/mix012_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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 113feeaecf8d9417460b2edea2f8119d43f3e77a ........................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:54:36,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:36,156 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:36,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:36,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:36,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:36,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:36,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:36,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:36,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:36,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:36,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:36,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:36,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:36,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:36,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:36,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:36,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:36,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:36,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:36,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:36,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:36,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:36,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:36,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:36,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:36,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:36,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:36,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:36,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:36,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:36,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:36,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:36,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:36,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:36,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:36,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:36,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:36,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:36,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:36,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:36,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:54:36,238 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:36,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:36,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:36,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:36,240 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:36,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:36,241 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:36,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:54:36,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:36,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:36,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:36,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:36,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:36,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:36,243 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:36,243 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:36,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:36,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:36,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:36,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:36,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:36,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:36,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:36,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:36,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:36,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:54:36,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:54:36,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:36,247 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 113feeaecf8d9417460b2edea2f8119d43f3e77a [2019-11-28 00:54:36,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:36,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:36,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:36,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:36,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:36,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix012_rmo.opt.i [2019-11-28 00:54:36,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c48487a/b035955bc79a4410ad57d6e8d1574846/FLAG138798cc1 [2019-11-28 00:54:37,158 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:37,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix012_rmo.opt.i [2019-11-28 00:54:37,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c48487a/b035955bc79a4410ad57d6e8d1574846/FLAG138798cc1 [2019-11-28 00:54:37,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71c48487a/b035955bc79a4410ad57d6e8d1574846 [2019-11-28 00:54:37,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:37,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:37,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:37,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:37,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:37,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:37" (1/1) ... [2019-11-28 00:54:37,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ece14e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:37, skipping insertion in model container [2019-11-28 00:54:37,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:37" (1/1) ... [2019-11-28 00:54:37,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:37,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:38,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:38,096 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:38,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:38,239 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:38,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38 WrapperNode [2019-11-28 00:54:38,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:38,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:38,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:38,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:38,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:38,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:38,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:38,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:38,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... [2019-11-28 00:54:38,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:38,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:38,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:38,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:38,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:54:38,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:38,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:38,419 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:54:39,069 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:54:39,075 INFO L168 Benchmark]: Toolchain (without parser) took 1619.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -96.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:39,076 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:39,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:39,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:39,079 INFO L168 Benchmark]: Boogie Preprocessor took 43.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:39,080 INFO L168 Benchmark]: RCFGBuilder took 714.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:39,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 785.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 714.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:54:40,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:54:40,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:54:40,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:54:40,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:54:40,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:54:40,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:54:40,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:54:40,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:54:40,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:54:40,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:54:40,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:54:40,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:54:40,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:54:40,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:54:40,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:54:40,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:54:40,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:54:40,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:54:40,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:54:40,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:54:40,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:54:40,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:54:40,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:54:40,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:54:40,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:54:40,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:54:40,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:54:40,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:54:40,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:54:40,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:54:40,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:54:40,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:54:40,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:54:40,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:54:40,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:54:40,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:54:40,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:54:40,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:54:40,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:54:40,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:54:40,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:54:40,997 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:54:40,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:54:40,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:54:40,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:54:40,999 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:54:40,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:54:41,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:54:41,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:54:41,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:54:41,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:54:41,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:54:41,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:54:41,001 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:54:41,001 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:54:41,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:54:41,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:54:41,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:54:41,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:54:41,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:54:41,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:54:41,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:54:41,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:54:41,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:41,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:54:41,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:54:41,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:54:41,004 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:54:41,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:54:41,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:54:41,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:54:41,005 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 113feeaecf8d9417460b2edea2f8119d43f3e77a [2019-11-28 00:54:41,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:54:41,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:54:41,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:54:41,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:54:41,304 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:54:41,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix012_rmo.opt.i [2019-11-28 00:54:41,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3339a7b4/f05b859a896d4d099ac2e5c3d56bde5a/FLAG802651a39 [2019-11-28 00:54:41,841 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:54:41,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix012_rmo.opt.i [2019-11-28 00:54:41,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3339a7b4/f05b859a896d4d099ac2e5c3d56bde5a/FLAG802651a39 [2019-11-28 00:54:42,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3339a7b4/f05b859a896d4d099ac2e5c3d56bde5a [2019-11-28 00:54:42,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:54:42,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:54:42,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:42,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:54:42,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:54:42,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:42,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1dbb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42, skipping insertion in model container [2019-11-28 00:54:42,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:42,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:54:42,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:54:42,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:42,802 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:54:42,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:54:42,977 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:54:42,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42 WrapperNode [2019-11-28 00:54:42,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:54:42,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:42,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:54:42,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:54:42,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:54:43,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:54:43,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:54:43,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:54:43,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... [2019-11-28 00:54:43,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:54:43,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:54:43,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:54:43,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:54:43,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:54:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:54:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:54:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:54:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:54:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:54:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:54:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:54:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:54:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:54:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:54:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:54:43,160 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:54:43,899 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:54:43,905 INFO L168 Benchmark]: Toolchain (without parser) took 1700.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -93.6 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:43,906 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:43,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:43,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:43,908 INFO L168 Benchmark]: Boogie Preprocessor took 56.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:54:43,909 INFO L168 Benchmark]: RCFGBuilder took 800.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:54:43,913 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 774.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 800.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...