./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix034_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/mix034_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 7daf64d82ddacd7bc1ccf73527b07db58b3fb4c0 ......................................................................................................................................................................................... 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/mix034_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 7daf64d82ddacd7bc1ccf73527b07db58b3fb4c0 ........................................................................................................................................................................................... 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 00:56:48,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:56:48,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:56:48,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:56:48,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:56:48,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:56:48,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:56:48,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:56:48,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:56:48,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:56:48,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:56:48,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:56:48,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:56:48,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:56:48,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:56:48,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:56:48,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:56:48,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:56:48,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:56:48,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:56:48,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:56:48,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:56:48,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:56:48,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:56:48,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:56:48,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:56:48,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:56:48,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:56:48,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:56:48,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:56:48,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:56:48,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:56:48,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:56:48,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:56:48,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:56:48,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:56:48,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:56:48,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:56:48,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:56:48,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:56:48,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:56:48,255 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:56:48,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:56:48,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:56:48,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:56:48,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:56:48,295 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:56:48,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:56:48,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:56:48,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:56:48,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:56:48,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:56:48,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:56:48,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:56:48,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:56:48,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:56:48,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:56:48,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:56:48,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:56:48,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:56:48,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:56:48,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:56:48,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:56:48,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:56:48,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:56:48,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:56:48,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:56:48,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:56:48,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:56:48,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:56:48,306 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 -> 7daf64d82ddacd7bc1ccf73527b07db58b3fb4c0 [2019-11-28 00:56:48,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:56:48,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:56:48,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:56:48,648 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:56:48,648 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:56:48,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix034_power.opt.i [2019-11-28 00:56:48,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dabd076/9417c4e79c824b6cb36e1afd719bfb3a/FLAGb5d66b2d8 [2019-11-28 00:56:49,295 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:56:49,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix034_power.opt.i [2019-11-28 00:56:49,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dabd076/9417c4e79c824b6cb36e1afd719bfb3a/FLAGb5d66b2d8 [2019-11-28 00:56:49,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68dabd076/9417c4e79c824b6cb36e1afd719bfb3a [2019-11-28 00:56:49,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:56:49,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:56:49,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:56:49,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:56:49,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:56:49,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:56:49" (1/1) ... [2019-11-28 00:56:49,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f384efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:49, skipping insertion in model container [2019-11-28 00:56:49,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:56:49" (1/1) ... [2019-11-28 00:56:49,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:56:49,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:56:50,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:56:50,192 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:56:50,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:56:50,341 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:56:50,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50 WrapperNode [2019-11-28 00:56:50,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:56:50,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:56:50,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:56:50,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:56:50,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:56:50,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:56:50,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:56:50,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:56:50,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (1/1) ... [2019-11-28 00:56:50,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:56:50,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:56:50,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:56:50,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:56:50,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:50" (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 00:56:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:56:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:56:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:56:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:56:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:56:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:56:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:56:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:56:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:56:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:56:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:56:50,538 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 00:56:51,235 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:56:51,241 INFO L168 Benchmark]: Toolchain (without parser) took 1687.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -96.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:51,242 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:56:51,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 788.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:51,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:56:51,247 INFO L168 Benchmark]: Boogie Preprocessor took 38.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:51,249 INFO L168 Benchmark]: RCFGBuilder took 776.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:51,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 788.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.41 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 776.87 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:56:53,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:56:53,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:56:53,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:56:53,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:56:53,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:56:53,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:56:53,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:56:53,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:56:53,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:56:53,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:56:53,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:56:53,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:56:53,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:56:53,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:56:53,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:56:53,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:56:53,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:56:53,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:56:53,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:56:53,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:56:53,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:56:53,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:56:53,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:56:53,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:56:53,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:56:53,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:56:53,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:56:53,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:56:53,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:56:53,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:56:53,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:56:53,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:56:53,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:56:53,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:56:53,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:56:53,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:56:53,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:56:53,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:56:53,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:56:53,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:56:53,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:56:53,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:56:53,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:56:53,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:56:53,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:56:53,234 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:56:53,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:56:53,234 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:56:53,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:56:53,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:56:53,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:56:53,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:56:53,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:56:53,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:56:53,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:56:53,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:56:53,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:56:53,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:56:53,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:56:53,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:56:53,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:56:53,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:56:53,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:56:53,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:56:53,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:56:53,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:56:53,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:56:53,241 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:56:53,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:56:53,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:56:53,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:56:53,243 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 -> 7daf64d82ddacd7bc1ccf73527b07db58b3fb4c0 [2019-11-28 00:56:53,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:56:53,588 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:56:53,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:56:53,595 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:56:53,596 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:56:53,596 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix034_power.opt.i [2019-11-28 00:56:53,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb5643232/faa3fdff657c4ebea13a8ee0aef9e004/FLAGac020e31c [2019-11-28 00:56:54,247 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:56:54,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix034_power.opt.i [2019-11-28 00:56:54,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb5643232/faa3fdff657c4ebea13a8ee0aef9e004/FLAGac020e31c [2019-11-28 00:56:54,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb5643232/faa3fdff657c4ebea13a8ee0aef9e004 [2019-11-28 00:56:54,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:56:54,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:56:54,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:56:54,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:56:54,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:56:54,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:56:54" (1/1) ... [2019-11-28 00:56:54,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ddec2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:54, skipping insertion in model container [2019-11-28 00:56:54,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:56:54" (1/1) ... [2019-11-28 00:56:54,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:56:54,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:56:55,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:56:55,070 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:56:55,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:56:55,248 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:56:55,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55 WrapperNode [2019-11-28 00:56:55,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:56:55,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:56:55,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:56:55,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:56:55,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:56:55,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:56:55,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:56:55,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:56:55,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (1/1) ... [2019-11-28 00:56:55,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:56:55,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:56:55,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:56:55,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:56:55,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:55" (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 00:56:55,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:56:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:56:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:56:55,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:56:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:56:55,429 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:56:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:56:55,429 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:56:55,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:56:55,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:56:55,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:56:55,432 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 00:56:56,190 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 00:56:56,197 INFO L168 Benchmark]: Toolchain (without parser) took 1698.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -62.2 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:56,198 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:56:56,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 750.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -114.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:56,200 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.30 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:56,201 INFO L168 Benchmark]: Boogie Preprocessor took 45.84 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 00:56:56,203 INFO L168 Benchmark]: RCFGBuilder took 836.67 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:56:56,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 750.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -114.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 836.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...