./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe008_power.oepc.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/safe008_power.oepc.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 d04ba6e80c9f8fef6c7718b88aecbd0204c5adf9 ........................................................................................................................................................................................... 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/safe008_power.oepc.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 d04ba6e80c9f8fef6c7718b88aecbd0204c5adf9 ............................................................................................................................................................................................. 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 01:01:24,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:24,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:24,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:24,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:24,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:24,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:24,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:24,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:24,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:24,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:24,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:24,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:24,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:24,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:24,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:24,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:24,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:24,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:24,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:24,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:24,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:24,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:24,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:24,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:24,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:24,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:24,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:24,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:24,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:24,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:24,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:24,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:24,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:24,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:24,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:24,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:24,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:24,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:24,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:24,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:24,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:01:24,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:24,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:24,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:24,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:24,323 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:24,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:24,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:24,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:01:24,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:24,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:24,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:24,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:24,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:24,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:24,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:24,326 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:24,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:24,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:24,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:24,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:24,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:24,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:24,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:24,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:24,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:24,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:01:24,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:01:24,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:24,330 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 -> d04ba6e80c9f8fef6c7718b88aecbd0204c5adf9 [2019-11-28 01:01:24,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:24,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:24,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:24,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:24,674 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:24,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe008_power.oepc.i [2019-11-28 01:01:24,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81eaf400b/3f7355820002420686d69e000978c954/FLAG60eef6f2a [2019-11-28 01:01:25,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:25,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe008_power.oepc.i [2019-11-28 01:01:25,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81eaf400b/3f7355820002420686d69e000978c954/FLAG60eef6f2a [2019-11-28 01:01:25,599 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81eaf400b/3f7355820002420686d69e000978c954 [2019-11-28 01:01:25,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:25,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:25,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:25,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:25,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:25,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:25" (1/1) ... [2019-11-28 01:01:25,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f061684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:25, skipping insertion in model container [2019-11-28 01:01:25,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:25" (1/1) ... [2019-11-28 01:01:25,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:25,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:26,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:26,235 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:26,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:26,387 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:26,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26 WrapperNode [2019-11-28 01:01:26,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:26,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:26,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:26,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:26,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:26,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:26,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:26,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:26,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (1/1) ... [2019-11-28 01:01:26,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:26,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:26,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:26,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:26,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:26" (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 01:01:26,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:01:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:26,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:26,588 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:26,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:26,589 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:26,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:26,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:26,592 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 01:01:27,391 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:27,397 INFO L168 Benchmark]: Toolchain (without parser) took 1791.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -60.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:27,398 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:27,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:27,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:27,401 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:27,403 INFO L168 Benchmark]: RCFGBuilder took 896.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:27,407 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 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 779.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -124.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.10 ms. Allocated memory is still 1.1 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. * Boogie Preprocessor took 41.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 896.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 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 01:01:29,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:29,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:29,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:29,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:29,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:29,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:29,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:29,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:29,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:29,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:29,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:29,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:29,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:29,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:29,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:29,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:29,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:29,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:29,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:29,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:29,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:29,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:29,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:29,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:29,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:29,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:29,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:29,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:29,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:29,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:29,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:29,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:29,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:29,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:29,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:29,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:29,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:29,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:29,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:29,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:29,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:01:29,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:29,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:29,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:29,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:29,597 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:29,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:29,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:29,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:29,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:29,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:29,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:29,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:29,600 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:01:29,600 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:01:29,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:29,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:29,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:29,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:29,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:29,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:29,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:29,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:29,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:29,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:29,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:29,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:29,606 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:01:29,606 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:01:29,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:29,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:01:29,607 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 -> d04ba6e80c9f8fef6c7718b88aecbd0204c5adf9 [2019-11-28 01:01:29,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:30,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:30,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:30,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:30,012 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:30,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe008_power.oepc.i [2019-11-28 01:01:30,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d318051/acf8889fe5b0469f97fcb5a5d23a9ebe/FLAG582b448d3 [2019-11-28 01:01:30,688 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:30,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe008_power.oepc.i [2019-11-28 01:01:30,704 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d318051/acf8889fe5b0469f97fcb5a5d23a9ebe/FLAG582b448d3 [2019-11-28 01:01:30,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84d318051/acf8889fe5b0469f97fcb5a5d23a9ebe [2019-11-28 01:01:30,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:30,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:30,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:30,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:30,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:30,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:30" (1/1) ... [2019-11-28 01:01:30,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f758ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:30, skipping insertion in model container [2019-11-28 01:01:30,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:30" (1/1) ... [2019-11-28 01:01:30,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:31,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:31,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:31,484 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:31,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:31,677 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:31,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31 WrapperNode [2019-11-28 01:01:31,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:31,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:31,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:31,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:31,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:31,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:31,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:31,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:31,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (1/1) ... [2019-11-28 01:01:31,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:31,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:31,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:31,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:31,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:31" (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 01:01:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:31,863 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:31,863 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:31,866 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 01:01:32,607 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 01:01:32,613 INFO L168 Benchmark]: Toolchain (without parser) took 1685.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -80.1 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:32,614 INFO L168 Benchmark]: CDTParser took 0.34 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 01:01:32,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:32,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.41 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 01:01:32,616 INFO L168 Benchmark]: Boogie Preprocessor took 44.25 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 01:01:32,617 INFO L168 Benchmark]: RCFGBuilder took 814.01 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:32,621 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 750.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 814.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...