./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/mix023_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/mix023_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 4eb58f162f02bda560046d30df2982136d6015da ............................................................................................................................................................................................. 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/mix023_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 4eb58f162f02bda560046d30df2982136d6015da ............................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:55:41,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:41,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:41,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:41,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:41,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:41,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:41,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:41,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:41,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:41,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:41,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:41,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:41,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:41,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:41,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:41,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:41,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:41,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:41,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:41,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:41,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:41,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:41,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:41,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:41,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:41,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:41,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:41,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:41,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:41,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:41,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:41,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:41,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:41,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:41,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:41,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:41,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:41,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:41,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:41,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:41,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:55:41,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:41,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:41,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:41,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:41,143 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:41,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:41,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:41,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:55:41,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:41,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:41,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:41,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:41,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:41,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:41,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:41,147 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:41,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:41,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:41,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:41,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:41,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:41,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:41,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:41,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:41,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:41,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:55:41,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:55:41,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:41,151 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 -> 4eb58f162f02bda560046d30df2982136d6015da [2019-11-28 00:55:41,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:41,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:41,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:41,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:41,486 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:41,487 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix023_power.opt.i [2019-11-28 00:55:41,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a223335b/f961ca14e25b4850a1398b76123831b1/FLAGae75e1202 [2019-11-28 00:55:42,127 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:42,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix023_power.opt.i [2019-11-28 00:55:42,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a223335b/f961ca14e25b4850a1398b76123831b1/FLAGae75e1202 [2019-11-28 00:55:42,384 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a223335b/f961ca14e25b4850a1398b76123831b1 [2019-11-28 00:55:42,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:42,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:42,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:42,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:42,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:42,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:42, skipping insertion in model container [2019-11-28 00:55:42,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:42" (1/1) ... [2019-11-28 00:55:42,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:42,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:43,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:43,057 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:43,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:43,215 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:43,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43 WrapperNode [2019-11-28 00:55:43,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:43,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:43,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:43,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:43,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:43,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:43,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:43,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:43,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... [2019-11-28 00:55:43,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:43,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:43,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:43,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:43,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:55:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:43,390 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:55:43,391 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:55:43,391 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:55:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:55:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:43,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:43,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:43,394 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:55:44,144 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:55:44,150 INFO L168 Benchmark]: Toolchain (without parser) took 1759.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -93.0 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:44,151 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:44,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 824.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:44,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:44,154 INFO L168 Benchmark]: Boogie Preprocessor took 46.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:44,155 INFO L168 Benchmark]: RCFGBuilder took 819.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:44,159 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 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 824.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.23 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 819.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:55:46,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:55:46,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:55:46,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:55:46,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:55:46,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:55:46,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:55:46,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:55:46,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:55:46,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:55:46,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:55:46,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:55:46,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:55:46,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:55:46,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:55:46,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:55:46,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:55:46,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:55:46,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:55:46,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:55:46,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:55:46,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:55:46,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:55:46,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:55:46,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:55:46,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:55:46,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:55:46,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:55:46,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:55:46,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:55:46,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:55:46,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:55:46,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:55:46,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:55:46,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:55:46,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:55:46,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:55:46,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:55:46,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:55:46,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:55:46,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:55:46,362 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:55:46,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:55:46,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:55:46,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:55:46,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:55:46,400 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:55:46,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:55:46,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:55:46,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:55:46,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:55:46,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:55:46,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:55:46,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:55:46,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:55:46,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:55:46,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:55:46,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:55:46,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:55:46,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:55:46,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:55:46,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:55:46,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:55:46,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:55:46,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:46,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:55:46,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:55:46,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:55:46,407 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:55:46,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:55:46,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:55:46,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:55:46,408 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 -> 4eb58f162f02bda560046d30df2982136d6015da [2019-11-28 00:55:46,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:55:46,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:55:46,760 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:55:46,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:55:46,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:55:46,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix023_power.opt.i [2019-11-28 00:55:46,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa3fa3ec/8d61efbf89df48f0acfcffd33e4b0345/FLAG90333177b [2019-11-28 00:55:47,449 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:55:47,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix023_power.opt.i [2019-11-28 00:55:47,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa3fa3ec/8d61efbf89df48f0acfcffd33e4b0345/FLAG90333177b [2019-11-28 00:55:47,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3aa3fa3ec/8d61efbf89df48f0acfcffd33e4b0345 [2019-11-28 00:55:47,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:55:47,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:55:47,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:47,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:55:47,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:55:47,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:47" (1/1) ... [2019-11-28 00:55:47,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e727e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:47, skipping insertion in model container [2019-11-28 00:55:47,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:55:47" (1/1) ... [2019-11-28 00:55:47,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:55:47,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:55:48,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:48,318 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:55:48,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:55:48,502 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:55:48,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48 WrapperNode [2019-11-28 00:55:48,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:55:48,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:48,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:55:48,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:55:48,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:55:48,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:55:48,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:55:48,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:55:48,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... [2019-11-28 00:55:48,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:55:48,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:55:48,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:55:48,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:55:48,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:55:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:55:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 00:55:48,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:55:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:55:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:55:48,706 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 00:55:48,706 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 00:55:48,707 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 00:55:48,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 00:55:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 00:55:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 00:55:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-11-28 00:55:48,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-11-28 00:55:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 00:55:48,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:55:48,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:55:48,712 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 00:55:49,486 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 00:55:49,493 INFO L168 Benchmark]: Toolchain (without parser) took 1806.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -86.8 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:49,494 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:49,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 811.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:49,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.27 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:49,500 INFO L168 Benchmark]: Boogie Preprocessor took 47.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:55:49,502 INFO L168 Benchmark]: RCFGBuilder took 866.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:55:49,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 811.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 866.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...