./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe014_tso.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/safe014_tso.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 c49d0982c6423da7fb0066ed116f2a6952b27634 ........................................................................................................................................................................................... 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/safe014_tso.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 c49d0982c6423da7fb0066ed116f2a6952b27634 ............................................................................................................................................................................................. 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 01:02:06,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:06,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:06,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:06,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:06,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:06,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:06,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:06,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:06,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:06,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:06,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:06,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:06,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:06,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:06,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:06,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:06,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:06,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:06,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:06,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:06,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:06,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:06,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:06,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:06,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:06,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:06,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:06,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:06,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:06,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:06,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:06,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:06,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:06,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:06,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:06,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:06,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:06,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:06,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:06,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:06,091 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:06,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:06,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:06,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:06,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:06,119 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:06,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:06,119 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:06,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:06,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:06,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:06,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:06,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:06,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:06,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:06,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:06,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:06,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:06,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:06,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:06,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:06,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:06,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:06,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:06,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:06,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:06,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:06,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:06,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:06,125 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 -> c49d0982c6423da7fb0066ed116f2a6952b27634 [2019-11-28 01:02:06,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:06,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:06,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:06,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:06,485 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:06,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i [2019-11-28 01:02:06,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d22bff0/9a0eb00a79bd4cc6b64ed03059304e98/FLAG5642d0d76 [2019-11-28 01:02:07,088 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:07,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i [2019-11-28 01:02:07,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d22bff0/9a0eb00a79bd4cc6b64ed03059304e98/FLAG5642d0d76 [2019-11-28 01:02:07,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3d22bff0/9a0eb00a79bd4cc6b64ed03059304e98 [2019-11-28 01:02:07,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:07,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:07,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:07,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:07,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:07,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:07" (1/1) ... [2019-11-28 01:02:07,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:07, skipping insertion in model container [2019-11-28 01:02:07,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:07" (1/1) ... [2019-11-28 01:02:07,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:07,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:08,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:08,024 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:08,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:08,163 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:08,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08 WrapperNode [2019-11-28 01:02:08,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:08,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:08,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:08,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:08,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:08,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:08,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:08,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:08,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (1/1) ... [2019-11-28 01:02:08,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:08,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:08,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:08,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:08,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:08" (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 01:02:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:08,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:08,316 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:08,316 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:08,317 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:08,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:08,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:08,322 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 01:02:08,669 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:08,674 INFO L168 Benchmark]: Toolchain (without parser) took 1282.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -94.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:08,675 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:08,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:08,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:08,677 INFO L168 Benchmark]: Boogie Preprocessor took 25.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:08,678 INFO L168 Benchmark]: RCFGBuilder took 424.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:08,682 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 774.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -120.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 424.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 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 01:02:10,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:10,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:10,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:10,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:10,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:10,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:10,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:10,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:10,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:10,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:10,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:10,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:10,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:10,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:10,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:10,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:10,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:10,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:10,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:10,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:10,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:10,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:10,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:10,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:10,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:10,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:10,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:10,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:10,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:10,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:10,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:10,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:10,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:10,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:10,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:10,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:10,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:10,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:10,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:10,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:10,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:02:10,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:10,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:10,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:10,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:10,877 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:10,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:10,877 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:10,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:10,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:10,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:10,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:10,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:10,879 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:02:10,880 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:02:10,880 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:10,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:10,881 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:10,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:10,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:10,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:10,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:10,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:10,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:10,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:10,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:10,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:10,883 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:02:10,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:02:10,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:10,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:02:10,884 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 -> c49d0982c6423da7fb0066ed116f2a6952b27634 [2019-11-28 01:02:11,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:11,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:11,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:11,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:11,224 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:11,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i [2019-11-28 01:02:11,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41e831ada/02f686c30cf54bf6af42577ee80bf2bb/FLAG1be24f5bb [2019-11-28 01:02:11,767 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:11,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe014_tso.opt.i [2019-11-28 01:02:11,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41e831ada/02f686c30cf54bf6af42577ee80bf2bb/FLAG1be24f5bb [2019-11-28 01:02:12,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41e831ada/02f686c30cf54bf6af42577ee80bf2bb [2019-11-28 01:02:12,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:12,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:12,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:12,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:12,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:12,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d18ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12, skipping insertion in model container [2019-11-28 01:02:12,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:12,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:12,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:12,703 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:12,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:12,832 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:12,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12 WrapperNode [2019-11-28 01:02:12,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:12,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:12,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:12,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:12,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:12,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:12,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:12,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:12,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... [2019-11-28 01:02:12,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:12,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:12,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:12,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:12,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:13,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:13,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:02:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:13,015 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:13,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:13,019 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 01:02:13,432 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 01:02:13,438 INFO L168 Benchmark]: Toolchain (without parser) took 1365.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -113.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:13,439 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 01:02:13,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:13,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.66 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 01:02:13,442 INFO L168 Benchmark]: Boogie Preprocessor took 40.04 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:13,442 INFO L168 Benchmark]: RCFGBuilder took 485.35 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: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:13,446 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 760.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...