./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe020_rmo.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/safe020_rmo.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 e33fbd04ff9ea1c388b4ec7c1e87900d631855b7 ............................................................................................................................................................................................. 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/safe020_rmo.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 e33fbd04ff9ea1c388b4ec7c1e87900d631855b7 ............................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:38,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:38,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:38,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:38,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:38,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:38,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:38,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:38,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:38,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:38,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:38,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:38,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:38,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:38,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:38,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:38,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:38,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:38,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:38,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:38,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:38,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:38,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:38,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:38,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:38,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:38,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:38,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:38,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:38,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:38,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:38,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:38,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:38,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:38,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:38,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:38,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:38,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:38,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:38,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:38,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:38,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:02:38,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:38,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:38,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:38,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:38,949 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:38,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:38,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:38,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:02:38,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:38,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:38,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:38,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:38,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:38,952 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:38,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:38,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:38,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:38,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:38,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:38,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:38,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:38,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:38,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:38,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:38,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:38,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:02:38,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:02:38,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:38,955 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 -> e33fbd04ff9ea1c388b4ec7c1e87900d631855b7 [2019-11-28 01:02:39,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:39,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:39,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:39,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:39,290 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:39,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_rmo.opt.i [2019-11-28 01:02:39,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02570293/5d2dce50c55946c1ab929197aea06f7b/FLAG5b21289cd [2019-11-28 01:02:39,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:39,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_rmo.opt.i [2019-11-28 01:02:39,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02570293/5d2dce50c55946c1ab929197aea06f7b/FLAG5b21289cd [2019-11-28 01:02:40,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02570293/5d2dce50c55946c1ab929197aea06f7b [2019-11-28 01:02:40,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:40,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:40,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:40,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:40,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:40,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:40" (1/1) ... [2019-11-28 01:02:40,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b54b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:40, skipping insertion in model container [2019-11-28 01:02:40,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:40" (1/1) ... [2019-11-28 01:02:40,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:40,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:40,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:40,886 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:40,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:41,029 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:41,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41 WrapperNode [2019-11-28 01:02:41,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:41,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:41,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:41,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:41,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:41,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:41,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:41,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:41,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... [2019-11-28 01:02:41,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:41,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:41,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:41,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:41,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 01:02:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:41,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:02:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:41,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:41,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:41,264 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:02:42,409 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:42,416 INFO L168 Benchmark]: Toolchain (without parser) took 2187.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -78.3 MB). Peak memory consumption was 67.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:42,417 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:42,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:42,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:42,420 INFO L168 Benchmark]: Boogie Preprocessor took 71.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:42,421 INFO L168 Benchmark]: RCFGBuilder took 1228.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:42,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 802.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.81 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 1228.84 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: 71.4 MB). Peak memory consumption was 71.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:02:44,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:02:44,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:02:44,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:02:44,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:02:44,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:02:44,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:02:44,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:02:44,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:02:44,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:02:44,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:02:44,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:02:44,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:02:44,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:02:44,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:02:44,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:02:44,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:02:44,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:02:44,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:02:44,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:02:44,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:02:44,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:02:44,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:02:44,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:02:44,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:02:44,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:02:44,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:02:44,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:02:44,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:02:44,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:02:44,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:02:44,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:02:44,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:02:44,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:02:44,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:02:44,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:02:44,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:02:44,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:02:44,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:02:44,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:02:44,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:02:44,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:02:44,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:02:44,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:02:44,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:02:44,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:02:44,420 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:02:44,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:02:44,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:02:44,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:02:44,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:02:44,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:02:44,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:02:44,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:02:44,424 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:02:44,424 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:02:44,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:02:44,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:02:44,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:02:44,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:02:44,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:02:44,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:02:44,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:02:44,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:02:44,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:44,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:02:44,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:02:44,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:02:44,429 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:02:44,429 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:02:44,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:02:44,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:02:44,430 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 -> e33fbd04ff9ea1c388b4ec7c1e87900d631855b7 [2019-11-28 01:02:44,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:02:44,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:02:44,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:02:44,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:02:44,797 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:02:44,799 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_rmo.opt.i [2019-11-28 01:02:44,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9aa41d0e/c855766cf2b44a7bb42f0161319e2f3f/FLAGbda3024d7 [2019-11-28 01:02:45,451 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:02:45,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_rmo.opt.i [2019-11-28 01:02:45,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9aa41d0e/c855766cf2b44a7bb42f0161319e2f3f/FLAGbda3024d7 [2019-11-28 01:02:45,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9aa41d0e/c855766cf2b44a7bb42f0161319e2f3f [2019-11-28 01:02:45,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:02:45,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:02:45,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:45,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:02:45,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:02:45,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:45" (1/1) ... [2019-11-28 01:02:45,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec3b04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:45, skipping insertion in model container [2019-11-28 01:02:45,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:02:45" (1/1) ... [2019-11-28 01:02:45,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:02:45,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:02:46,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:46,453 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:02:46,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:02:46,637 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:02:46,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46 WrapperNode [2019-11-28 01:02:46,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:02:46,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:46,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:02:46,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:02:46,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:02:46,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:02:46,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:02:46,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:02:46,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... [2019-11-28 01:02:46,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:02:46,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:02:46,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:02:46,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:02:46,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:02:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:02:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 01:02:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:02:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:02:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:02:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:02:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:02:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:02:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:02:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:02:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:02:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:02:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:02:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:02:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:02:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:02:46,839 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:02:47,801 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:02:47,807 INFO L168 Benchmark]: Toolchain (without parser) took 2073.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 952.3 MB in the beginning and 990.6 MB in the end (delta: -38.3 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:47,808 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:47,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -104.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:47,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:47,810 INFO L168 Benchmark]: Boogie Preprocessor took 68.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:02:47,811 INFO L168 Benchmark]: RCFGBuilder took 1034.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.6 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:02:47,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 905.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -104.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1034.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 990.6 MB in the end (delta: 66.3 MB). Peak memory consumption was 66.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...