./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe023_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe023_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18d126c9874f9245b947a7799eb6065bcf4291b6 ........................................................................................................................................................................................... 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/safe023_pso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18d126c9874f9245b947a7799eb6065bcf4291b6 ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:55,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:55,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:55,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:55,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:55,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:55,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:55,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:55,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:55,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:55,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:55,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:55,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:55,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:55,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:55,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:55,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:55,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:55,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:55,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:55,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:55,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:55,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:55,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:55,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:55,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:55,236 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:55,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:55,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:55,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:55,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:55,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:55,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:55,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:55,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:55,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:55,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:55,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:55,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:55,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:55,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:55,252 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:55,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:55,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:55,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:55,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:55,277 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:55,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:55,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:55,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:55,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:55,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:55,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:55,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:55,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:55,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:55,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:55,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:55,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:55,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:55,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:55,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:55,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:55,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:55,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:55,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:55,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:55,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:55,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:55,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:55,283 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 -> 18d126c9874f9245b947a7799eb6065bcf4291b6 [2019-11-28 01:02:55,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:55,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:55,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:55,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:55,618 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:55,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe023_pso.opt.i [2019-11-28 01:02:55,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0445ed9a2/4b2bf740973f46efa584288d904951ea/FLAGf6ab0970c [2019-11-28 01:02:56,238 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:56,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_pso.opt.i [2019-11-28 01:02:56,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0445ed9a2/4b2bf740973f46efa584288d904951ea/FLAGf6ab0970c [2019-11-28 01:02:56,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0445ed9a2/4b2bf740973f46efa584288d904951ea [2019-11-28 01:02:56,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:56,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:56,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:56,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:56,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:56,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:56" (1/1) ... [2019-11-28 01:02:56,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1dbb8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:56, skipping insertion in model container [2019-11-28 01:02:56,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:56" (1/1) ... [2019-11-28 01:02:56,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:56,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:57,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:57,237 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:57,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:57,386 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:57,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57 WrapperNode [2019-11-28 01:02:57,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:57,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:57,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:57,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:57,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:57,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:57,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:57,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:57,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... [2019-11-28 01:02:57,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:57,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:57,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:57,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:57,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:57,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:57,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:57,599 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:02:58,710 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:58,717 INFO L168 Benchmark]: Toolchain (without parser) took 2144.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -66.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:58,718 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:58,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 815.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:58,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:58,722 INFO L168 Benchmark]: Boogie Preprocessor took 48.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:58,724 INFO L168 Benchmark]: RCFGBuilder took 1209.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:58,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 815.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.54 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 48.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1209.70 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:03:00,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:00,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:00,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:00,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:00,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:00,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:00,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:00,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:00,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:00,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:00,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:00,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:00,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:00,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:00,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:00,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:00,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:00,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:00,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:00,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:00,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:00,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:00,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:00,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:00,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:00,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:00,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:00,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:00,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:00,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:00,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:00,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:00,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:00,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:00,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:00,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:00,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:00,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:00,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:00,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:00,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:00,722 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:00,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:00,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:00,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:00,725 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:00,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:00,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:00,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:00,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:00,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:00,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:00,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:00,728 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:00,728 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:00,728 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:00,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:00,729 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:00,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:00,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:00,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:00,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:00,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:00,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:00,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:00,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:00,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:00,731 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:00,731 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:00,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:00,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:00,732 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 -> 18d126c9874f9245b947a7799eb6065bcf4291b6 [2019-11-28 01:03:01,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:01,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:01,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:01,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:01,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:01,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe023_pso.opt.i [2019-11-28 01:03:01,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfc3696b/c2da65ba846a4d9f9d3c9a727478dd22/FLAGab1710b41 [2019-11-28 01:03:01,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:01,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe023_pso.opt.i [2019-11-28 01:03:01,773 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfc3696b/c2da65ba846a4d9f9d3c9a727478dd22/FLAGab1710b41 [2019-11-28 01:03:02,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfc3696b/c2da65ba846a4d9f9d3c9a727478dd22 [2019-11-28 01:03:02,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:02,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:02,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:02,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:02,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:02,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b5d8596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02, skipping insertion in model container [2019-11-28 01:03:02,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:02,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:02,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:02,606 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:02,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:02,813 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:02,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02 WrapperNode [2019-11-28 01:03:02,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:02,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:02,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:02,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:02,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:02,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:02,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:02,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:02,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... [2019-11-28 01:03:02,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:02,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:02,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:02,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:02,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:03:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:03,011 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:03:04,028 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:04,035 INFO L168 Benchmark]: Toolchain (without parser) took 1987.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 951.0 MB in the beginning and 950.8 MB in the end (delta: 184.0 kB). Peak memory consumption was 83.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:04,036 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:04,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -79.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:04,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:04,040 INFO L168 Benchmark]: Boogie Preprocessor took 51.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:04,043 INFO L168 Benchmark]: RCFGBuilder took 1094.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 950.8 MB in the end (delta: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:04,049 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 766.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -79.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1094.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 950.8 MB in the end (delta: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...