./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-atomic/peterson.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-atomic/peterson.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 30b2ae2bbbfcb385de0df7e20f17282d477a17c8 ........................................................................................................................................................................................ 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-atomic/peterson.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 30b2ae2bbbfcb385de0df7e20f17282d477a17c8 .......................................................................................................................................................................................... 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 00:52:34,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:34,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:34,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:34,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:34,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:34,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:34,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:34,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:34,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:34,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:34,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:34,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:34,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:34,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:34,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:34,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:34,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:34,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:34,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:34,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:34,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:34,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:34,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:34,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:34,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:34,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:34,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:34,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:34,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:34,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:34,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:34,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:34,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:34,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:34,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:34,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:34,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:34,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:34,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:34,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:34,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:52:34,166 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:34,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:34,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:34,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:34,168 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:34,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:34,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:34,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:52:34,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:34,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:34,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:34,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:34,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:34,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:34,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:34,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:34,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:34,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:34,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:34,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:34,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:34,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:34,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:34,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:34,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:34,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:52:34,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:52:34,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:34,176 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 -> 30b2ae2bbbfcb385de0df7e20f17282d477a17c8 [2019-11-28 00:52:34,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:34,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:34,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:34,522 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:34,522 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:34,523 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/peterson.i [2019-11-28 00:52:34,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e120cc0b/b8c6ca83ed6e49e1a987b45373402c9d/FLAGac41b8e1c [2019-11-28 00:52:35,086 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:35,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/peterson.i [2019-11-28 00:52:35,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e120cc0b/b8c6ca83ed6e49e1a987b45373402c9d/FLAGac41b8e1c [2019-11-28 00:52:35,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e120cc0b/b8c6ca83ed6e49e1a987b45373402c9d [2019-11-28 00:52:35,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:35,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:35,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:35,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:35,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:35,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:35" (1/1) ... [2019-11-28 00:52:35,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb3e0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:35, skipping insertion in model container [2019-11-28 00:52:35,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:35" (1/1) ... [2019-11-28 00:52:35,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:35,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:35,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:36,004 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:36,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:36,127 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:36,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36 WrapperNode [2019-11-28 00:52:36,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:36,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:36,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:36,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:36,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:36,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:36,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:36,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:36,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (1/1) ... [2019-11-28 00:52:36,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:36,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:36,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:36,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:36,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:36" (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 00:52:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:52:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 00:52:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 00:52:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:52:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:52:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:52:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:36,280 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 00:52:36,660 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:52:36,665 INFO L168 Benchmark]: Toolchain (without parser) took 1326.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -91.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:36,666 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:36,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:36,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:52:36,669 INFO L168 Benchmark]: Boogie Preprocessor took 31.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:36,670 INFO L168 Benchmark]: RCFGBuilder took 455.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:36,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 790.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.42 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 31.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 455.73 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: 20.2 MB). Peak memory consumption was 20.2 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 00:52:38,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:52:38,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:52:38,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:52:38,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:52:38,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:52:38,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:52:38,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:52:38,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:52:38,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:52:38,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:52:38,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:52:38,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:52:38,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:52:38,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:52:38,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:52:38,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:52:38,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:52:38,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:52:38,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:52:38,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:52:38,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:52:38,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:52:38,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:52:38,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:52:38,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:52:38,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:52:38,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:52:38,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:52:38,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:52:38,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:52:38,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:52:38,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:52:38,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:52:38,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:52:38,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:52:38,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:52:38,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:52:38,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:52:38,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:52:38,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:52:38,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:52:38,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:52:38,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:52:38,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:52:38,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:52:38,770 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:52:38,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:52:38,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:52:38,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:52:38,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:52:38,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:52:38,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:52:38,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:52:38,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:52:38,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:52:38,776 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:52:38,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:52:38,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:52:38,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:52:38,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:52:38,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:52:38,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:52:38,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:52:38,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:52:38,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:52:38,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:52:38,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:52:38,783 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:52:38,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:52:38,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:52:38,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:52:38,784 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 -> 30b2ae2bbbfcb385de0df7e20f17282d477a17c8 [2019-11-28 00:52:39,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:52:39,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:52:39,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:52:39,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:52:39,105 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:52:39,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/peterson.i [2019-11-28 00:52:39,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b5ca9a0/a0c187fb45b7411ba891be32e9d6b971/FLAG54c60d170 [2019-11-28 00:52:39,782 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:52:39,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/peterson.i [2019-11-28 00:52:39,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b5ca9a0/a0c187fb45b7411ba891be32e9d6b971/FLAG54c60d170 [2019-11-28 00:52:40,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9b5ca9a0/a0c187fb45b7411ba891be32e9d6b971 [2019-11-28 00:52:40,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:52:40,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:52:40,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:40,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:52:40,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:52:40,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ebb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40, skipping insertion in model container [2019-11-28 00:52:40,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:52:40,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:52:40,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:40,664 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:52:40,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:52:40,855 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:52:40,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40 WrapperNode [2019-11-28 00:52:40,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:52:40,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:40,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:52:40,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:52:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:40,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:40,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:40,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:40,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:40,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (1/1) ... [2019-11-28 00:52:41,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:41,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:41,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:41,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:41,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:40" (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 00:52:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:52:41,091 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 00:52:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 00:52:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:52:41,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:52:41,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:41,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:41,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:41,095 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 00:52:41,454 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 00:52:41,461 INFO L168 Benchmark]: Toolchain (without parser) took 1379.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:41,462 INFO L168 Benchmark]: CDTParser took 0.27 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 00:52:41,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:41,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.50 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 00:52:41,464 INFO L168 Benchmark]: Boogie Preprocessor took 66.51 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 00:52:41,465 INFO L168 Benchmark]: RCFGBuilder took 448.83 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:41,468 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 776.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 448.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...