./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_rmo.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/safe019_rmo.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 990fac91c05ae5b2602296a85aa9638209683d77 ............................................................................................................................................................................................... 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/safe019_rmo.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 990fac91c05ae5b2602296a85aa9638209683d77 ................................................................................................................................................................................................. 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 01:02:31,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:31,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:31,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:31,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:31,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:31,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:31,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:31,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:31,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:31,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:31,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:31,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:31,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:32,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:32,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:32,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:32,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:32,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:32,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:32,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:32,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:32,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:32,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:32,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:32,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:32,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:32,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:32,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:32,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:32,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:32,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:32,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:32,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:32,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:32,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:32,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:32,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:32,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:32,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:32,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:32,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:32,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:32,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:32,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:32,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:32,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:32,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:32,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:32,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:32,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:32,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:32,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:32,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:32,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:32,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:32,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:32,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:32,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:32,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:32,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:32,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:32,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:32,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:32,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:32,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:32,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:32,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:32,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:32,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:32,050 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 -> 990fac91c05ae5b2602296a85aa9638209683d77 [2019-11-28 01:02:32,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:32,407 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:32,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:32,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:32,413 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:32,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2019-11-28 01:02:32,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0680dbd6/3ac49c2bed0e41a4937fa028f57d7f16/FLAG1bd3bdc2e [2019-11-28 01:02:33,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:33,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2019-11-28 01:02:33,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0680dbd6/3ac49c2bed0e41a4937fa028f57d7f16/FLAG1bd3bdc2e [2019-11-28 01:02:33,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0680dbd6/3ac49c2bed0e41a4937fa028f57d7f16 [2019-11-28 01:02:33,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:33,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:33,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:33,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:33,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:33,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:33" (1/1) ... [2019-11-28 01:02:33,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f677360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:33, skipping insertion in model container [2019-11-28 01:02:33,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:33" (1/1) ... [2019-11-28 01:02:33,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:33,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:33,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:33,916 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:34,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:34,109 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:34,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34 WrapperNode [2019-11-28 01:02:34,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:34,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:34,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:34,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:34,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:34,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:34,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:34,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:34,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (1/1) ... [2019-11-28 01:02:34,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:34,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:34,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:34,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:34,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:34" (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 01:02:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:02:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:02:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:02:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:02:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:34,320 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 01:02:35,449 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:35,456 INFO L168 Benchmark]: Toolchain (without parser) took 2111.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -69.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:35,458 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:35,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:35,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:35,460 INFO L168 Benchmark]: Boogie Preprocessor took 48.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:35,461 INFO L168 Benchmark]: RCFGBuilder took 1222.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:35,465 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 765.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.37 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 48.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1222.09 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: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:37,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:37,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:37,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:37,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:37,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:37,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:37,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:37,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:37,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:37,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:37,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:37,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:37,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:37,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:37,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:37,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:37,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:37,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:37,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:37,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:37,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:37,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:37,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:37,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:37,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:37,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:37,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:37,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:37,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:37,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:37,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:37,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:37,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:37,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:37,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:37,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:37,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:37,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:37,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:37,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:37,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:02:37,618 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:37,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:37,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:37,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:37,620 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:37,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:37,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:37,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:37,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:37,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:37,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:37,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:37,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:02:37,622 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:02:37,623 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:37,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:37,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:37,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:37,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:37,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:37,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:37,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:37,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:37,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:37,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:37,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:37,627 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:02:37,627 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:02:37,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:37,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:02:37,628 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 -> 990fac91c05ae5b2602296a85aa9638209683d77 [2019-11-28 01:02:37,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:37,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:37,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:37,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:37,952 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:37,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2019-11-28 01:02:38,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3c4e33ea/b0adb761238144d5941d1e74f5732a7d/FLAG16193efd4 [2019-11-28 01:02:38,667 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:38,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2019-11-28 01:02:38,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3c4e33ea/b0adb761238144d5941d1e74f5732a7d/FLAG16193efd4 [2019-11-28 01:02:38,937 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3c4e33ea/b0adb761238144d5941d1e74f5732a7d [2019-11-28 01:02:38,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:38,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:38,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:38,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:38,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:38,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:38" (1/1) ... [2019-11-28 01:02:38,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:38, skipping insertion in model container [2019-11-28 01:02:38,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:38" (1/1) ... [2019-11-28 01:02:38,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:39,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:39,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:39,519 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:39,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:39,717 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:39,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39 WrapperNode [2019-11-28 01:02:39,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:39,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:39,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:39,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:39,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:39,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:39,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:39,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:39,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (1/1) ... [2019-11-28 01:02:39,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:39,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:39,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:39,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:39,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:39" (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 01:02:39,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:02:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:39,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:02:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:02:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:39,911 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:39,911 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 01:02:39,912 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 01:02:39,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:39,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:39,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:39,915 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 01:02:40,977 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 01:02:40,985 INFO L168 Benchmark]: Toolchain (without parser) took 2040.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -60.0 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:40,986 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 01:02:40,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:40,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.39 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 01:02:40,990 INFO L168 Benchmark]: Boogie Preprocessor took 54.26 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 01:02:40,992 INFO L168 Benchmark]: RCFGBuilder took 1137.82 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:40,999 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 774.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1137.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...