./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe036_power.oepc.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/safe036_power.oepc.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 3bcba5c22a566561c966c99db364a8d3051225e0 ......................................................................................................................................................................................... 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/safe036_power.oepc.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 3bcba5c22a566561c966c99db364a8d3051225e0 ........................................................................................................................................................................................... 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 01:04:12,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:12,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:12,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:12,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:12,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:12,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:12,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:12,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:12,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:12,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:12,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:12,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:12,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:12,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:12,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:12,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:12,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:12,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:12,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:12,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:12,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:12,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:12,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:12,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:12,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:12,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:12,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:12,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:12,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:12,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:12,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:12,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:12,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:12,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:12,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:12,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:12,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:12,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:12,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:12,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:12,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:04:12,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:12,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:12,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:12,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:12,276 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:12,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:12,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:12,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:04:12,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:12,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:12,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:12,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:12,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:12,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:12,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:12,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:12,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:12,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:12,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:12,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:12,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:12,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:12,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:12,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:12,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:12,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:04:12,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:04:12,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:12,282 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 -> 3bcba5c22a566561c966c99db364a8d3051225e0 [2019-11-28 01:04:12,604 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:12,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:12,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:12,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:12,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:12,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe036_power.oepc.i [2019-11-28 01:04:12,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d1a7e69/67db14a7dbee4c62a76652cea2c55c3e/FLAGad1045c24 [2019-11-28 01:04:13,222 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:13,223 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe036_power.oepc.i [2019-11-28 01:04:13,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d1a7e69/67db14a7dbee4c62a76652cea2c55c3e/FLAGad1045c24 [2019-11-28 01:04:13,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d1a7e69/67db14a7dbee4c62a76652cea2c55c3e [2019-11-28 01:04:13,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:13,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:13,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:13,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:13,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:13,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:13" (1/1) ... [2019-11-28 01:04:13,488 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 01:04:13, skipping insertion in model container [2019-11-28 01:04:13,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:13" (1/1) ... [2019-11-28 01:04:13,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:13,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:14,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:14,018 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:14,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:14,173 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:14,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14 WrapperNode [2019-11-28 01:04:14,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:14,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:14,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:14,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:14,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:14,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:14,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:14,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:14,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (1/1) ... [2019-11-28 01:04:14,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:14,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:14,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:14,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:14,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:14" (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 01:04:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:04:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:14,338 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:14,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:14,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:14,341 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 01:04:14,745 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:14,753 INFO L168 Benchmark]: Toolchain (without parser) took 1272.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,754 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:14,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:14,756 INFO L168 Benchmark]: Boogie Preprocessor took 25.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:14,758 INFO L168 Benchmark]: RCFGBuilder took 492.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 694.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.01 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 25.25 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 492.56 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:04:16,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:16,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:16,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:16,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:16,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:16,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:16,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:16,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:16,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:16,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:16,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:16,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:16,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:16,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:16,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:16,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:16,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:16,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:16,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:16,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:16,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:16,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:16,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:16,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:16,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:16,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:16,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:16,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:16,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:16,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:16,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:16,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:16,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:16,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:16,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:16,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:16,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:16,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:16,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:16,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:16,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:04:16,830 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:16,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:16,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:16,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:16,832 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:16,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:16,832 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:16,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:16,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:16,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:16,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:16,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:16,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:04:16,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:04:16,834 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:16,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:16,834 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:16,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:16,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:16,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:16,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:16,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:16,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:16,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:16,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:16,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:16,837 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:04:16,837 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:04:16,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:16,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:04:16,837 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 -> 3bcba5c22a566561c966c99db364a8d3051225e0 [2019-11-28 01:04:17,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:17,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:17,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:17,226 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:17,226 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:17,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe036_power.oepc.i [2019-11-28 01:04:17,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839910d21/15c2a984a2e647babf1d3d562bbe9d5a/FLAG806628004 [2019-11-28 01:04:17,855 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:17,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe036_power.oepc.i [2019-11-28 01:04:17,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839910d21/15c2a984a2e647babf1d3d562bbe9d5a/FLAG806628004 [2019-11-28 01:04:18,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/839910d21/15c2a984a2e647babf1d3d562bbe9d5a [2019-11-28 01:04:18,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:18,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:18,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:18,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:18,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:18,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1200897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18, skipping insertion in model container [2019-11-28 01:04:18,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:18,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:18,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:18,710 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:18,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:18,892 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:18,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18 WrapperNode [2019-11-28 01:04:18,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:18,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:18,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:18,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:18,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:18,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:18,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:18,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:18,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (1/1) ... [2019-11-28 01:04:18,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:18,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:18,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:18,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:18,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:18" (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 01:04:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:04:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:19,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:19,070 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 01:04:19,451 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 01:04:19,457 INFO L168 Benchmark]: Toolchain (without parser) took 1298.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:19,458 INFO L168 Benchmark]: CDTParser took 0.27 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 01:04:19,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:19,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.12 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 01:04:19,460 INFO L168 Benchmark]: Boogie Preprocessor took 30.17 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:19,461 INFO L168 Benchmark]: RCFGBuilder took 460.46 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:19,469 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 734.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 460.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...