./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/bigshot_s2.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/bigshot_s2.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 62a3adf163f0436d6a570493ab3486b362f3c38f .......................................................................................................................................................................................... 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/bigshot_s2.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 62a3adf163f0436d6a570493ab3486b362f3c38f ............................................................................................................................................................................................. 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 00:51:52,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:51:52,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:51:52,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:51:52,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:51:52,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:51:52,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:51:52,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:51:52,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:51:52,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:51:52,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:51:52,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:51:52,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:51:52,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:51:52,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:51:52,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:51:52,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:51:52,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:51:52,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:51:52,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:51:52,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:51:52,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:51:52,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:51:52,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:51:52,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:51:52,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:51:52,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:51:52,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:51:52,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:51:52,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:51:52,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:51:52,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:51:52,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:51:52,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:51:52,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:51:52,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:51:52,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:51:52,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:51:52,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:51:52,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:51:52,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:51:52,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:51:52,329 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:51:52,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:51:52,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:51:52,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:51:52,331 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:51:52,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:51:52,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:51:52,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:51:52,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:51:52,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:51:52,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:51:52,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:51:52,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:51:52,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:51:52,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:51:52,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:51:52,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:51:52,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:51:52,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:51:52,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:51:52,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:51:52,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:51:52,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:51:52,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:51:52,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:51:52,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:51:52,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:51:52,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:51:52,338 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 -> 62a3adf163f0436d6a570493ab3486b362f3c38f [2019-11-28 00:51:52,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:51:52,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:51:52,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:51:52,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:51:52,651 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:51:52,652 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s2.i [2019-11-28 00:51:52,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9485e9fe3/f55f0377e2194107a05a81dc18123f1b/FLAG94b5eb83f [2019-11-28 00:51:53,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:51:53,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s2.i [2019-11-28 00:51:53,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9485e9fe3/f55f0377e2194107a05a81dc18123f1b/FLAG94b5eb83f [2019-11-28 00:51:53,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9485e9fe3/f55f0377e2194107a05a81dc18123f1b [2019-11-28 00:51:53,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:51:53,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:51:53,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:51:53,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:51:53,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:51:53,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:51:53" (1/1) ... [2019-11-28 00:51:53,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d72e966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:53, skipping insertion in model container [2019-11-28 00:51:53,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:51:53" (1/1) ... [2019-11-28 00:51:53,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:51:53,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:51:54,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:51:54,395 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:51:54,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:51:54,715 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:51:54,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54 WrapperNode [2019-11-28 00:51:54,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:51:54,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:51:54,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:51:54,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:51:54,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:51:54,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:51:54,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:51:54,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:51:54,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (1/1) ... [2019-11-28 00:51:54,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:51:54,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:51:54,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:51:54,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:51:54,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:54" (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 00:51:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:51:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:51:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-28 00:51:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:51:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:51:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:51:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:51:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:51:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:51:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 00:51:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:51:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:51:54,976 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 00:51:55,445 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:51:55,452 INFO L168 Benchmark]: Toolchain (without parser) took 1827.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -104.3 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:51:55,453 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:51:55,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:51:55,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:51:55,456 INFO L168 Benchmark]: Boogie Preprocessor took 59.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:51:55,457 INFO L168 Benchmark]: RCFGBuilder took 559.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:51:55,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 1093.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.59 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 559.48 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 00:51:57,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:51:57,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:51:57,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:51:57,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:51:57,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:51:57,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:51:57,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:51:57,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:51:57,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:51:57,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:51:57,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:51:57,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:51:57,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:51:57,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:51:57,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:51:57,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:51:57,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:51:57,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:51:57,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:51:57,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:51:57,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:51:57,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:51:57,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:51:57,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:51:57,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:51:57,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:51:57,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:51:57,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:51:57,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:51:57,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:51:57,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:51:57,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:51:57,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:51:57,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:51:57,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:51:57,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:51:57,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:51:57,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:51:57,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:51:57,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:51:57,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:51:57,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:51:57,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:51:57,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:51:57,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:51:57,637 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:51:57,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:51:57,638 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:51:57,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:51:57,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:51:57,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:51:57,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:51:57,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:51:57,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:51:57,641 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:51:57,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:51:57,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:51:57,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:51:57,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:51:57,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:51:57,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:51:57,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:51:57,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:51:57,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:51:57,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:51:57,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:51:57,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:51:57,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:51:57,645 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:51:57,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:51:57,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:51:57,646 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 -> 62a3adf163f0436d6a570493ab3486b362f3c38f [2019-11-28 00:51:57,978 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:51:58,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:51:58,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:51:58,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:51:58,007 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:51:58,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/bigshot_s2.i [2019-11-28 00:51:58,090 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e22a52eae/6128a18825f74ce68010c8b4ec70dbae/FLAGab72a0291 [2019-11-28 00:51:58,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:51:58,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/bigshot_s2.i [2019-11-28 00:51:58,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e22a52eae/6128a18825f74ce68010c8b4ec70dbae/FLAGab72a0291 [2019-11-28 00:51:58,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e22a52eae/6128a18825f74ce68010c8b4ec70dbae [2019-11-28 00:51:58,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:51:58,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:51:58,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:51:58,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:51:58,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:51:58,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:51:58" (1/1) ... [2019-11-28 00:51:58,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af9092c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:58, skipping insertion in model container [2019-11-28 00:51:58,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:51:58" (1/1) ... [2019-11-28 00:51:58,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:51:59,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:51:59,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:51:59,677 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:51:59,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:51:59,927 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:51:59,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59 WrapperNode [2019-11-28 00:51:59,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:51:59,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:51:59,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:51:59,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:51:59,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:51:59,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:52:00,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:52:00,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:52:00,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:52:00,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (1/1) ... [2019-11-28 00:52:00,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:52:00,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:52:00,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:52:00,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:52:00,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59" (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 00:52:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-28 00:52:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:52:00,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:52:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:52:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:52:00,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-28 00:52:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-28 00:52:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-28 00:52:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-28 00:52:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-11-28 00:52:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-28 00:52:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:52:00,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:52:00,122 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 00:52:00,526 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 00:52:00,532 INFO L168 Benchmark]: Toolchain (without parser) took 1582.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -86.2 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:00,534 INFO L168 Benchmark]: CDTParser took 0.37 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 00:52:00,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 976.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -117.2 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:00,536 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.71 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 00:52:00,536 INFO L168 Benchmark]: Boogie Preprocessor took 40.09 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 00:52:00,537 INFO L168 Benchmark]: RCFGBuilder took 483.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:52:00,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 976.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -117.2 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 483.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...