./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix022_pso.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/mix022_pso.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 418f4782c954c26d964ce4bcc15550f6c0c853e5 ......................................................................................................................................................................................... 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/mix022_pso.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 418f4782c954c26d964ce4bcc15550f6c0c853e5 ........................................................................................................................................................................................... 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 00:55:35,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:35,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:35,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:35,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:35,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:35,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:35,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:35,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:35,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:35,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:35,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:35,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:35,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:35,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:35,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:35,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:35,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:35,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:35,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:35,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:35,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:35,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:35,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:35,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:35,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:35,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:35,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:35,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:35,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:35,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:35,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:35,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:35,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:35,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:35,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:35,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:35,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:35,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:35,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:35,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:35,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:55:35,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:35,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:35,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:35,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:35,296 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:35,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:35,297 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:35,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:55:35,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:35,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:35,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:35,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:35,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:35,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:35,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:35,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:35,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:35,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:35,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:35,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:35,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:35,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:35,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:35,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:35,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:35,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:55:35,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:55:35,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:35,309 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 -> 418f4782c954c26d964ce4bcc15550f6c0c853e5 [2019-11-28 00:55:35,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:35,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:35,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:35,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:35,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:35,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix022_pso.opt.i [2019-11-28 00:55:35,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31b7097eb/0f38a7bb713840b489246313bab82eea/FLAG6c96d7d72 [2019-11-28 00:55:36,261 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:36,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_pso.opt.i [2019-11-28 00:55:36,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31b7097eb/0f38a7bb713840b489246313bab82eea/FLAG6c96d7d72 [2019-11-28 00:55:36,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31b7097eb/0f38a7bb713840b489246313bab82eea [2019-11-28 00:55:36,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:36,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:36,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:36,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:36,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:36,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:36" (1/1) ... [2019-11-28 00:55:36,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb72fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:36, skipping insertion in model container [2019-11-28 00:55:36,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:36" (1/1) ... [2019-11-28 00:55:36,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:36,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:37,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:37,096 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:37,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:37,274 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:37,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37 WrapperNode [2019-11-28 00:55:37,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:37,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:37,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:37,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:37,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:37,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:37,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:37,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:37,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (1/1) ... [2019-11-28 00:55:37,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:37,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:37,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:37,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:37,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:37" (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 00:55:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:55:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:37,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:37,474 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:37,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:37,478 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 00:55:38,122 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:55:38,128 INFO L168 Benchmark]: Toolchain (without parser) took 1604.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -95.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:38,129 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:38,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:38,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:38,132 INFO L168 Benchmark]: Boogie Preprocessor took 38.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:38,133 INFO L168 Benchmark]: RCFGBuilder took 731.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:38,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 752.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.55 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. * Boogie Preprocessor took 38.13 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 731.99 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: 45.4 MB). Peak memory consumption was 45.4 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 00:55:40,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:40,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:40,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:40,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:40,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:40,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:40,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:40,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:40,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:40,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:40,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:40,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:40,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:40,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:40,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:40,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:40,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:40,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:40,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:40,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:40,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:40,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:40,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:40,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:40,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:40,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:40,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:40,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:40,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:40,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:40,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:40,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:40,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:40,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:40,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:40,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:40,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:40,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:40,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:40,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:40,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:55:40,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:40,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:40,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:40,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:40,314 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:40,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:40,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:40,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:40,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:40,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:40,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:40,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:40,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:55:40,317 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:55:40,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:40,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:40,317 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:40,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:40,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:40,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:40,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:40,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:40,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:40,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:40,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:40,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:40,320 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:55:40,321 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:55:40,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:40,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:55:40,321 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 -> 418f4782c954c26d964ce4bcc15550f6c0c853e5 [2019-11-28 00:55:40,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:40,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:40,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:40,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:40,688 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:40,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix022_pso.opt.i [2019-11-28 00:55:40,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28066d545/3cb6a26d4e3c401489b9fa3f28942f7d/FLAG55d83b702 [2019-11-28 00:55:41,343 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:41,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix022_pso.opt.i [2019-11-28 00:55:41,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28066d545/3cb6a26d4e3c401489b9fa3f28942f7d/FLAG55d83b702 [2019-11-28 00:55:41,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28066d545/3cb6a26d4e3c401489b9fa3f28942f7d [2019-11-28 00:55:41,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:41,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:41,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:41,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:41,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:41,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:41" (1/1) ... [2019-11-28 00:55:41,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@604b570b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:41, skipping insertion in model container [2019-11-28 00:55:41,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:41" (1/1) ... [2019-11-28 00:55:41,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:41,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:42,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:42,252 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:42,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:42,416 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:42,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42 WrapperNode [2019-11-28 00:55:42,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:42,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:42,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:42,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:42,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:42,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:42,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:42,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:42,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:42,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:42,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:42,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:42,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42" (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 00:55:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:42,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:42,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:55:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:42,633 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:42,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:42,637 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 00:55:43,303 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 00:55:43,308 INFO L168 Benchmark]: Toolchain (without parser) took 1651.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -108.3 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:43,309 INFO L168 Benchmark]: CDTParser took 0.37 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 00:55:43,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:43,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.63 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 00:55:43,311 INFO L168 Benchmark]: Boogie Preprocessor took 43.97 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 00:55:43,312 INFO L168 Benchmark]: RCFGBuilder took 763.89 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:43,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 761.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 763.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...