./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_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/safe015_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 1b3072994703d5ce5162562d4f2c85a4160bb68b ........................................................................................................................................................................................... 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/safe015_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 1b3072994703d5ce5162562d4f2c85a4160bb68b ............................................................................................................................................................................................. 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 01:02:07,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:07,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:07,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:07,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:07,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:07,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:07,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:07,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:07,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:07,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:07,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:07,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:07,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:07,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:07,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:07,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:07,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:07,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:07,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:07,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:07,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:07,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:07,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:07,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:07,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:07,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:07,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:07,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:07,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:07,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:07,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:07,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:07,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:07,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:07,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:07,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:07,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:07,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:07,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:07,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:07,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:07,980 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:07,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:07,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:07,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:07,983 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:07,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:07,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:07,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:07,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:07,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:07,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:07,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:07,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:07,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:07,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:07,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:07,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:07,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:07,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:07,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:07,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:07,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:07,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:07,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:07,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:07,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:07,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:07,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:07,989 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 -> 1b3072994703d5ce5162562d4f2c85a4160bb68b [2019-11-28 01:02:08,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:08,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:08,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:08,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:08,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:08,348 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i [2019-11-28 01:02:08,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bf9a9e9/de0d2329a09c4ba594965d850cf1e9c8/FLAG929da198a [2019-11-28 01:02:08,961 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:08,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i [2019-11-28 01:02:08,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bf9a9e9/de0d2329a09c4ba594965d850cf1e9c8/FLAG929da198a [2019-11-28 01:02:09,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4bf9a9e9/de0d2329a09c4ba594965d850cf1e9c8 [2019-11-28 01:02:09,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:09,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:09,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:09,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:09,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:09,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:09,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ceee9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09, skipping insertion in model container [2019-11-28 01:02:09,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:09,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:09,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:09,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:09,821 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:09,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:09,983 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:09,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09 WrapperNode [2019-11-28 01:02:09,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:09,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:09,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:09,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:09,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:10,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:10,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:10,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:10,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (1/1) ... [2019-11-28 01:02:10,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:10,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:10,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:10,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:10,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:09" (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 01:02:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:10,143 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 01:02:10,547 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:10,553 INFO L168 Benchmark]: Toolchain (without parser) took 1283.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -119.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:10,553 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:10,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:10,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:10,556 INFO L168 Benchmark]: Boogie Preprocessor took 27.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:10,557 INFO L168 Benchmark]: RCFGBuilder took 474.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:10,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 715.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.84 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 27.49 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 474.37 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: 25.1 MB). Peak memory consumption was 25.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:12,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:12,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:12,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:12,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:12,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:12,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:12,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:12,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:12,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:12,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:12,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:12,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:12,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:12,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:12,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:12,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:12,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:12,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:12,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:12,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:12,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:12,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:12,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:12,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:12,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:12,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:12,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:12,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:12,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:12,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:12,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:12,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:12,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:12,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:12,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:12,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:12,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:12,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:12,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:12,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:12,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:02:12,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:12,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:12,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:12,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:12,607 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:12,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:12,608 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:12,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:12,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:12,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:12,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:12,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:12,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:02:12,610 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:02:12,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:12,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:12,611 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:12,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:12,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:12,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:12,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:12,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:12,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:12,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:12,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:12,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:12,613 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:02:12,614 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:02:12,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:12,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:02:12,615 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 -> 1b3072994703d5ce5162562d4f2c85a4160bb68b [2019-11-28 01:02:12,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:13,012 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:13,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:13,017 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:13,018 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:13,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i [2019-11-28 01:02:13,073 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2489b35/0d3216706e4e42a6a10d6aae26ad42a0/FLAGe1d5c558f [2019-11-28 01:02:13,638 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:13,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_pso.opt.i [2019-11-28 01:02:13,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2489b35/0d3216706e4e42a6a10d6aae26ad42a0/FLAGe1d5c558f [2019-11-28 01:02:13,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2489b35/0d3216706e4e42a6a10d6aae26ad42a0 [2019-11-28 01:02:13,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:13,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:13,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:13,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:13,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:13,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad63d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:13, skipping insertion in model container [2019-11-28 01:02:13,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:13" (1/1) ... [2019-11-28 01:02:13,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:13,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:14,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:14,501 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:14,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:14,656 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:14,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14 WrapperNode [2019-11-28 01:02:14,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:14,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:14,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:14,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:14,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:14,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:14,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:14,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:14,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (1/1) ... [2019-11-28 01:02:14,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:14,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:14,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:14,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:14,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:14" (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 01:02:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:14,815 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:14,815 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:14,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:14,818 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 01:02:15,201 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 01:02:15,210 INFO L168 Benchmark]: Toolchain (without parser) took 1287.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -111.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:15,210 INFO L168 Benchmark]: CDTParser took 0.25 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 01:02:15,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:15,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.66 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 01:02:15,213 INFO L168 Benchmark]: Boogie Preprocessor took 30.99 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 01:02:15,214 INFO L168 Benchmark]: RCFGBuilder took 458.11 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:15,221 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 736.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -136.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 458.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...