./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe033_power.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/safe033_power.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 0ad75676076b2f4fd97a0e8b61d888447e8e32fb ......................................................................................................................................................................................... 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/safe033_power.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 0ad75676076b2f4fd97a0e8b61d888447e8e32fb ........................................................................................................................................................................................... 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 01:03:53,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:53,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:53,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:53,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:53,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:53,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:53,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:53,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:53,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:53,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:53,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:53,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:53,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:53,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:53,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:53,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:53,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:53,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:53,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:53,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:53,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:53,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:53,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:53,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:53,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:53,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:53,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:53,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:53,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:53,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:53,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:53,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:53,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:53,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:53,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:53,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:53,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:53,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:53,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:53,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:53,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:03:53,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:53,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:53,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:53,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:53,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:53,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:53,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:53,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:03:53,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:53,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:53,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:53,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:53,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:53,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:53,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:53,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:53,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:53,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:53,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:53,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:53,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:53,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:53,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:53,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:53,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:53,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:03:53,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:03:53,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:53,862 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 -> 0ad75676076b2f4fd97a0e8b61d888447e8e32fb [2019-11-28 01:03:54,183 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:54,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:54,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:54,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:54,209 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:54,209 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe033_power.opt.i [2019-11-28 01:03:54,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571f46340/bbca9d9e8bd94a0990a5e2c8266446fa/FLAG63edf528d [2019-11-28 01:03:54,835 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:54,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe033_power.opt.i [2019-11-28 01:03:54,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571f46340/bbca9d9e8bd94a0990a5e2c8266446fa/FLAG63edf528d [2019-11-28 01:03:55,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571f46340/bbca9d9e8bd94a0990a5e2c8266446fa [2019-11-28 01:03:55,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:55,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:55,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:55,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:55,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:55,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:55" (1/1) ... [2019-11-28 01:03:55,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8897c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:55, skipping insertion in model container [2019-11-28 01:03:55,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:55" (1/1) ... [2019-11-28 01:03:55,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:55,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:55,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:55,817 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:55,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:56,038 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:56,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56 WrapperNode [2019-11-28 01:03:56,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:56,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:56,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:56,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:56,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:56,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:56,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:56,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:56,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (1/1) ... [2019-11-28 01:03:56,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:56,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:56,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:56,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:56,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:56" (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 01:03:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:03:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:56,283 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 01:03:56,955 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:56,962 INFO L168 Benchmark]: Toolchain (without parser) took 1812.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:56,963 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:56,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:56,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:56,966 INFO L168 Benchmark]: Boogie Preprocessor took 70.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:56,967 INFO L168 Benchmark]: RCFGBuilder took 745.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:56,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 890.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.11 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 70.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 745.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 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 01:03:59,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:59,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:59,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:59,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:59,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:59,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:59,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:59,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:59,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:59,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:59,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:59,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:59,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:59,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:59,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:59,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:59,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:59,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:59,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:59,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:59,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:59,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:59,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:59,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:59,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:59,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:59,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:59,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:59,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:59,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:59,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:59,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:59,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:59,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:59,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:59,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:59,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:59,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:59,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:59,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:59,097 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:59,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:59,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:59,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:59,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:59,122 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:59,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:59,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:59,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:59,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:59,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:59,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:59,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:59,125 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:59,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:59,126 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:59,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:59,127 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:59,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:59,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:59,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:59,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:59,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:59,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:59,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:59,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:59,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:59,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:59,130 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:59,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:59,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:59,130 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 -> 0ad75676076b2f4fd97a0e8b61d888447e8e32fb [2019-11-28 01:03:59,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:59,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:59,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:59,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:59,477 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:59,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe033_power.opt.i [2019-11-28 01:03:59,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f866b02/2ad7aa7e6c6744b9b050927d76e985af/FLAG038306326 [2019-11-28 01:04:00,055 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:00,056 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe033_power.opt.i [2019-11-28 01:04:00,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f866b02/2ad7aa7e6c6744b9b050927d76e985af/FLAG038306326 [2019-11-28 01:04:00,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f866b02/2ad7aa7e6c6744b9b050927d76e985af [2019-11-28 01:04:00,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:00,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:00,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:00,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:00,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:00,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:00" (1/1) ... [2019-11-28 01:04:00,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ece14e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:00, skipping insertion in model container [2019-11-28 01:04:00,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:00" (1/1) ... [2019-11-28 01:04:00,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:00,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:00,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:00,989 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:01,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:01,141 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:01,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01 WrapperNode [2019-11-28 01:04:01,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:01,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:01,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:01,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:01,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:01,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:01,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:01,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:01,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... [2019-11-28 01:04:01,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:01,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:01,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:01,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:01,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:01,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:04:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:01,327 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:01,327 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:01,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:01,330 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:04:02,044 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:02,050 INFO L168 Benchmark]: Toolchain (without parser) took 1641.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 63.4 MB). Free memory was 951.0 MB in the beginning and 980.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:02,051 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:02,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 63.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -77.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:02,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:02,055 INFO L168 Benchmark]: Boogie Preprocessor took 42.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:02,057 INFO L168 Benchmark]: RCFGBuilder took 793.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.2 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:02,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 733.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 63.4 MB). Free memory was 951.0 MB in the beginning and 1.0 GB in the end (delta: -77.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 793.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 980.2 MB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...