./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe028_tso.oepc.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/safe028_tso.oepc.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 485ce5d655f515ee22f343361eca7cdfe2a4f399 ............................................................................................................................................................................................ 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/safe028_tso.oepc.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 485ce5d655f515ee22f343361eca7cdfe2a4f399 ............................................................................................................................................................................................. 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 01:03:29,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:29,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:29,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:29,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:29,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:29,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:29,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:29,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:29,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:29,080 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:29,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:29,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:29,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:29,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:29,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:29,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:29,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:29,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:29,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:29,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:29,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:29,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:29,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:29,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:29,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:29,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:29,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:29,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:29,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:29,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:29,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:29,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:29,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:29,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:29,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:29,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:29,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:29,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:29,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:29,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:29,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:03:29,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:29,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:29,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:29,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:29,126 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:29,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:29,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:29,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:03:29,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:29,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:29,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:29,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:29,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:29,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:29,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:29,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:29,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:29,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:29,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:29,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:29,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:29,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:29,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:29,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:29,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:29,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:03:29,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:03:29,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:29,132 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 -> 485ce5d655f515ee22f343361eca7cdfe2a4f399 [2019-11-28 01:03:29,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:29,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:29,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:29,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:29,531 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:29,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe028_tso.oepc.i [2019-11-28 01:03:29,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f9cf6c1/44e983d279194d3a84ea542973174de4/FLAG420c9c4c5 [2019-11-28 01:03:30,118 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:30,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe028_tso.oepc.i [2019-11-28 01:03:30,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f9cf6c1/44e983d279194d3a84ea542973174de4/FLAG420c9c4c5 [2019-11-28 01:03:30,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27f9cf6c1/44e983d279194d3a84ea542973174de4 [2019-11-28 01:03:30,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:30,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:30,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:30,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:30,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:30,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:30" (1/1) ... [2019-11-28 01:03:30,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d18ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:30, skipping insertion in model container [2019-11-28 01:03:30,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:30" (1/1) ... [2019-11-28 01:03:30,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:30,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:31,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:31,105 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:31,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:31,224 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:31,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31 WrapperNode [2019-11-28 01:03:31,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:31,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:31,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:31,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:31,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:31,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:31,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:31,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:31,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (1/1) ... [2019-11-28 01:03:31,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:31,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:31,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:31,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:31,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:31" (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 01:03:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:03:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:31,379 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:31,379 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:31,380 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:31,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:31,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:31,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:31,382 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 01:03:31,753 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:03:31,759 INFO L168 Benchmark]: Toolchain (without parser) took 1301.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:31,760 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:31,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:31,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:31,762 INFO L168 Benchmark]: Boogie Preprocessor took 27.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:03:31,763 INFO L168 Benchmark]: RCFGBuilder took 452.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:31,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 767.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.94 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 27.22 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 452.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 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 01:03:33,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:03:33,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:03:33,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:03:33,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:03:33,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:03:33,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:03:33,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:03:33,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:03:33,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:03:33,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:03:33,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:03:33,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:03:33,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:03:33,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:03:33,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:03:33,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:03:33,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:03:33,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:03:33,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:03:33,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:03:33,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:03:33,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:03:33,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:03:33,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:03:33,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:03:33,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:03:33,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:03:33,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:03:33,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:03:33,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:03:33,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:03:33,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:03:33,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:03:33,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:03:33,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:03:33,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:03:33,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:03:33,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:03:33,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:03:33,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:03:33,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:03:33,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:03:33,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:03:33,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:03:33,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:03:33,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:03:33,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:03:33,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:03:33,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:03:33,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:03:33,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:03:33,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:03:33,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:03:33,882 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:03:33,882 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:03:33,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:03:33,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:03:33,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:03:33,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:03:33,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:03:33,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:03:33,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:03:33,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:03:33,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:03:33,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:03:33,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:03:33,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:03:33,885 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:03:33,886 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:03:33,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:03:33,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:03:33,886 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 -> 485ce5d655f515ee22f343361eca7cdfe2a4f399 [2019-11-28 01:03:34,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:03:34,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:03:34,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:03:34,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:03:34,220 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:03:34,221 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe028_tso.oepc.i [2019-11-28 01:03:34,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63de93ba3/35d8b0984b564cc4a85b0101d4d6badf/FLAGa8f8c25b5 [2019-11-28 01:03:34,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:03:34,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe028_tso.oepc.i [2019-11-28 01:03:34,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63de93ba3/35d8b0984b564cc4a85b0101d4d6badf/FLAGa8f8c25b5 [2019-11-28 01:03:35,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63de93ba3/35d8b0984b564cc4a85b0101d4d6badf [2019-11-28 01:03:35,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:03:35,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:03:35,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:35,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:03:35,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:03:35,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35, skipping insertion in model container [2019-11-28 01:03:35,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:03:35,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:03:35,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:35,693 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:03:35,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:03:35,820 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:03:35,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35 WrapperNode [2019-11-28 01:03:35,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:03:35,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:35,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:03:35,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:03:35,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:03:35,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:03:35,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:03:35,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:03:35,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (1/1) ... [2019-11-28 01:03:35,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:03:35,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:03:35,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:03:35,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:03:35,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:03:35" (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 01:03:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:03:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:03:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:03:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:03:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:03:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:03:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:03:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:03:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:03:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:03:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:03:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:03:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:03:35,991 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 01:03:36,358 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 01:03:36,363 INFO L168 Benchmark]: Toolchain (without parser) took 1238.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -128.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:36,364 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 01:03:36,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:36,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.80 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 01:03:36,367 INFO L168 Benchmark]: Boogie Preprocessor took 51.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:36,368 INFO L168 Benchmark]: RCFGBuilder took 434.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:03:36,372 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 696.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -164.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 434.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...