./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix018_power.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/mix018_power.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 0fa591f2fa613ae5722b1eaacfa39b14021b1b6d ............................................................................................................................................................................................. 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/mix018_power.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 0fa591f2fa613ae5722b1eaacfa39b14021b1b6d ............................................................................................................................................................................................... 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 00:55:10,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:10,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:10,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:10,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:10,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:10,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:10,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:10,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:10,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:10,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:10,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:10,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:10,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:10,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:10,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:10,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:10,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:10,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:10,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:10,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:10,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:10,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:10,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:10,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:10,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:10,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:10,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:10,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:10,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:10,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:10,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:10,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:10,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:10,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:10,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:10,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:10,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:10,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:10,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:10,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:10,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:55:10,232 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:10,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:10,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:10,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:10,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:10,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:10,235 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:10,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:55:10,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:10,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:10,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:10,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:10,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:10,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:10,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:10,237 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:10,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:10,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:10,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:10,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:10,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:10,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:10,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:10,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:10,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:10,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:55:10,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:55:10,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:10,240 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 -> 0fa591f2fa613ae5722b1eaacfa39b14021b1b6d [2019-11-28 00:55:10,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:10,554 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:10,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:10,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:10,560 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:10,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018_power.opt.i [2019-11-28 00:55:10,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8947dbcc/b827d025bcbe4701b9bf641eb60ca155/FLAGcdb533c16 [2019-11-28 00:55:11,217 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:11,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018_power.opt.i [2019-11-28 00:55:11,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8947dbcc/b827d025bcbe4701b9bf641eb60ca155/FLAGcdb533c16 [2019-11-28 00:55:11,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8947dbcc/b827d025bcbe4701b9bf641eb60ca155 [2019-11-28 00:55:11,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:11,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:11,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:11,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:11,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:11,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:11" (1/1) ... [2019-11-28 00:55:11,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ce16c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:11, skipping insertion in model container [2019-11-28 00:55:11,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:11" (1/1) ... [2019-11-28 00:55:11,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:11,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:12,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:12,202 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:12,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:12,361 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:12,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12 WrapperNode [2019-11-28 00:55:12,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:12,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:12,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:12,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:12,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:12,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:12,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:12,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:12,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (1/1) ... [2019-11-28 00:55:12,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:12,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:12,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:12,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:12,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:12" (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 00:55:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:55:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:55:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:55:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:55:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:55:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:12,584 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 00:55:13,494 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:55:13,500 INFO L168 Benchmark]: Toolchain (without parser) took 2032.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -97.0 MB). Peak memory consumption was 56.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:13,500 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:13,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 894.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:13,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:13,503 INFO L168 Benchmark]: Boogie Preprocessor took 50.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:13,504 INFO L168 Benchmark]: RCFGBuilder took 993.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:13,507 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 894.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.33 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 50.65 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 993.24 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: 63.3 MB). Peak memory consumption was 63.3 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 00:55:15,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:15,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:15,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:15,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:15,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:15,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:15,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:15,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:15,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:15,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:15,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:15,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:15,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:15,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:15,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:15,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:15,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:15,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:15,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:15,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:15,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:15,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:15,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:15,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:15,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:15,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:15,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:15,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:15,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:15,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:15,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:15,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:15,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:15,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:15,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:15,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:15,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:15,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:15,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:15,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:15,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:55:15,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:15,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:15,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:15,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:15,657 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:15,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:15,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:15,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:15,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:15,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:15,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:15,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:15,660 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:55:15,660 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:55:15,660 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:15,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:15,661 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:15,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:15,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:15,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:15,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:15,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:15,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:15,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:15,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:15,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:15,663 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:55:15,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:55:15,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:15,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:55:15,664 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 -> 0fa591f2fa613ae5722b1eaacfa39b14021b1b6d [2019-11-28 00:55:15,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:15,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:16,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:16,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:16,003 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:16,004 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix018_power.opt.i [2019-11-28 00:55:16,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5df38127/5aa9e05c91874fcc9f9b680a4da0196b/FLAG367a88c88 [2019-11-28 00:55:16,601 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:16,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix018_power.opt.i [2019-11-28 00:55:16,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5df38127/5aa9e05c91874fcc9f9b680a4da0196b/FLAG367a88c88 [2019-11-28 00:55:16,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5df38127/5aa9e05c91874fcc9f9b680a4da0196b [2019-11-28 00:55:16,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:16,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:16,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:16,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:16,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:16,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:16" (1/1) ... [2019-11-28 00:55:16,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760d99d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:16, skipping insertion in model container [2019-11-28 00:55:16,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:16" (1/1) ... [2019-11-28 00:55:16,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:17,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:17,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:17,631 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:17,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:17,847 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:17,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17 WrapperNode [2019-11-28 00:55:17,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:17,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:17,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:17,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:17,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:17,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:17,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:17,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:17,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:17,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:17,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:17,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:17,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:17,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:17,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:18,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:18,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (1/1) ... [2019-11-28 00:55:18,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:18,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:18,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:18,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:18,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:17" (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 00:55:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:18,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:55:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:18,106 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:18,106 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:55:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:55:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:55:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:55:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:18,110 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 00:55:18,945 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 00:55:18,953 INFO L168 Benchmark]: Toolchain (without parser) took 2008.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -62.7 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:18,954 INFO L168 Benchmark]: CDTParser took 0.27 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 00:55:18,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 903.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:18,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.02 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 00:55:18,957 INFO L168 Benchmark]: Boogie Preprocessor took 55.17 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 00:55:18,959 INFO L168 Benchmark]: RCFGBuilder took 931.24 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: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:18,964 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 903.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 114.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.17 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 931.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.1 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...