./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe003_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe003_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0c4b02bc25104859076c6cd72166b3ed67280db ........................................................................................................................................................................................... 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/safe003_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0c4b02bc25104859076c6cd72166b3ed67280db ............................................................................................................................................................................................. 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 01:00:58,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:00:58,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:00:58,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:00:58,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:00:58,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:00:58,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:00:58,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:00:58,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:00:58,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:00:58,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:00:58,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:00:58,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:00:58,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:00:58,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:00:58,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:00:58,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:00:58,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:00:58,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:00:58,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:00:58,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:00:58,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:00:58,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:00:58,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:00:58,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:00:58,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:00:58,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:00:58,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:00:58,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:00:58,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:00:58,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:00:58,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:00:58,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:00:58,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:00:58,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:00:58,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:00:58,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:00:58,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:00:58,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:00:58,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:00:58,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:00:58,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:00:58,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:00:58,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:00:58,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:00:58,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:00:58,627 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:00:58,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:00:58,628 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:00:58,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:00:58,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:00:58,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:00:58,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:00:58,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:00:58,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:00:58,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:00:58,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:00:58,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:00:58,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:00:58,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:00:58,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:00:58,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:00:58,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:00:58,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:00:58,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:00:58,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:00:58,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:00:58,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:00:58,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:00:58,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:00:58,635 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 -> a0c4b02bc25104859076c6cd72166b3ed67280db [2019-11-28 01:00:58,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:00:58,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:00:58,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:00:58,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:00:58,999 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:00:58,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe003_tso.opt.i [2019-11-28 01:00:59,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f63eff12/422fc3b6dba949a98c2529b9dea5a97e/FLAGb6791b529 [2019-11-28 01:00:59,544 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:00:59,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe003_tso.opt.i [2019-11-28 01:00:59,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f63eff12/422fc3b6dba949a98c2529b9dea5a97e/FLAGb6791b529 [2019-11-28 01:00:59,842 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f63eff12/422fc3b6dba949a98c2529b9dea5a97e [2019-11-28 01:00:59,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:00:59,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:00:59,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:59,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:00:59,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:00:59,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:59" (1/1) ... [2019-11-28 01:00:59,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e036dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:59, skipping insertion in model container [2019-11-28 01:00:59,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:59" (1/1) ... [2019-11-28 01:00:59,870 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:00:59,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:00,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:00,371 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:00,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:00,518 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:00,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00 WrapperNode [2019-11-28 01:01:00,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:00,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:00,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:00,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:00,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:00,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:00,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:00,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:00,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (1/1) ... [2019-11-28 01:01:00,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:00,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:00,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:00,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:00,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:00" (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 01:01:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:01:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:00,676 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:00,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:00,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:00,680 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 01:01:01,114 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:01,121 INFO L168 Benchmark]: Toolchain (without parser) took 1269.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -131.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:01,122 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:01,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:01,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:01,124 INFO L168 Benchmark]: Boogie Preprocessor took 29.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:01,125 INFO L168 Benchmark]: RCFGBuilder took 515.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:01,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 666.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.86 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 29.65 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 515.08 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: 24.3 MB). Peak memory consumption was 24.3 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 01:01:03,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:01:03,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:01:03,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:01:03,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:01:03,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:01:03,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:01:03,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:01:03,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:01:03,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:01:03,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:01:03,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:01:03,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:01:03,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:01:03,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:01:03,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:01:03,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:01:03,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:01:03,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:01:03,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:01:03,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:01:03,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:01:03,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:01:03,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:01:03,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:01:03,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:01:03,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:01:03,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:01:03,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:01:03,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:01:03,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:01:03,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:01:03,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:01:03,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:01:03,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:01:03,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:01:03,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:01:03,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:01:03,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:01:03,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:01:03,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:01:03,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:01:03,278 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:01:03,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:01:03,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:01:03,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:01:03,280 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:01:03,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:01:03,280 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:01:03,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:01:03,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:01:03,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:01:03,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:01:03,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:01:03,282 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:01:03,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:01:03,283 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:01:03,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:01:03,283 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:01:03,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:01:03,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:01:03,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:01:03,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:01:03,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:01:03,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:03,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:01:03,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:01:03,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:01:03,286 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:01:03,286 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:01:03,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:01:03,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:01:03,287 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 -> a0c4b02bc25104859076c6cd72166b3ed67280db [2019-11-28 01:01:03,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:03,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:03,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:03,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:03,611 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:03,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe003_tso.opt.i [2019-11-28 01:01:03,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c2941e4/5e94890006a8456b94ebb04abc584466/FLAGdd16febfa [2019-11-28 01:01:04,185 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:04,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe003_tso.opt.i [2019-11-28 01:01:04,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c2941e4/5e94890006a8456b94ebb04abc584466/FLAGdd16febfa [2019-11-28 01:01:04,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5c2941e4/5e94890006a8456b94ebb04abc584466 [2019-11-28 01:01:04,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:04,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:04,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:04,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:04,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:04,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:04" (1/1) ... [2019-11-28 01:01:04,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5399f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:04, skipping insertion in model container [2019-11-28 01:01:04,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:04" (1/1) ... [2019-11-28 01:01:04,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:04,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:05,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:05,135 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:05,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:05,304 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:05,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05 WrapperNode [2019-11-28 01:01:05,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:05,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:05,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:05,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:05,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:05,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:05,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:05,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:05,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (1/1) ... [2019-11-28 01:01:05,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:05,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:05,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:05,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:05,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:05" (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 01:01:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:05,473 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 01:01:05,866 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 01:01:05,872 INFO L168 Benchmark]: Toolchain (without parser) took 1356.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -88.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:05,873 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 01:01:05,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:05,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:05,876 INFO L168 Benchmark]: Boogie Preprocessor took 32.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:05,877 INFO L168 Benchmark]: RCFGBuilder took 469.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:05,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 790.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 469.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...