./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.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-ext/33_double_lock_p1_vs.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 ac88cf7ce86c225846859791b80da882302d0035 ..................................................................................................................................................................................................... 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-ext/33_double_lock_p1_vs.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 ac88cf7ce86c225846859791b80da882302d0035 ....................................................................................................................................................................................................... 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 00:53:04,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:53:04,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:53:04,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:53:04,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:53:04,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:53:04,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:53:04,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:53:04,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:53:04,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:53:04,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:53:04,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:53:04,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:53:04,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:53:04,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:53:04,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:53:04,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:53:04,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:53:04,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:53:04,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:53:04,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:53:04,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:53:04,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:53:04,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:53:04,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:53:04,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:53:04,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:53:04,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:53:04,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:53:04,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:53:04,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:53:04,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:53:04,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:53:04,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:53:04,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:53:04,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:53:04,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:53:04,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:53:04,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:53:04,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:53:04,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:53:04,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:53:04,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:53:04,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:53:04,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:53:04,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:53:04,377 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:53:04,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:53:04,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:53:04,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:53:04,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:53:04,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:53:04,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:53:04,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:53:04,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:53:04,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:53:04,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:53:04,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:53:04,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:53:04,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:53:04,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:53:04,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:53:04,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:53:04,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:53:04,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:53:04,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:53:04,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:53:04,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:53:04,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:53:04,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:53:04,385 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 -> ac88cf7ce86c225846859791b80da882302d0035 [2019-11-28 00:53:04,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:53:04,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:53:04,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:53:04,728 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:53:04,729 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:53:04,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-11-28 00:53:04,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e26da6cf/634164a86caf46d5883d4ec56e79639b/FLAG6d668aed8 [2019-11-28 00:53:05,350 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:53:05,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-11-28 00:53:05,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e26da6cf/634164a86caf46d5883d4ec56e79639b/FLAG6d668aed8 [2019-11-28 00:53:05,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e26da6cf/634164a86caf46d5883d4ec56e79639b [2019-11-28 00:53:05,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:53:05,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:53:05,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:05,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:53:05,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:53:05,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:05" (1/1) ... [2019-11-28 00:53:05,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7085c7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:05, skipping insertion in model container [2019-11-28 00:53:05,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:05" (1/1) ... [2019-11-28 00:53:05,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:53:05,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:53:06,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:06,207 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:53:06,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:06,344 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:53:06,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06 WrapperNode [2019-11-28 00:53:06,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:06,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:06,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:53:06,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:53:06,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:06,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:53:06,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:53:06,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:53:06,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (1/1) ... [2019-11-28 00:53:06,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:53:06,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:53:06,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:53:06,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:53:06,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:06" (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 00:53:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:53:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 00:53:06,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 00:53:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:53:06,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:53:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:53:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:53:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:53:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:53:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:53:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:53:06,525 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 00:53:06,703 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:06,704 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-11-28 00:53:06,705 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-11-28 00:53:06,705 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:06,707 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-28 00:53:06,707 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-11-28 00:53:06,708 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-11-28 00:53:06,709 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-28 00:53:06,854 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:06,855 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-28 00:53:06,859 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:06,861 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-28 00:53:06,953 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:06,959 INFO L168 Benchmark]: Toolchain (without parser) took 1262.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:06,960 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:53:06,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:06,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.72 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 00:53:06,963 INFO L168 Benchmark]: Boogie Preprocessor took 32.80 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 00:53:06,964 INFO L168 Benchmark]: RCFGBuilder took 523.74 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:06,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 648.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 523.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:53:08,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:53:08,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:53:08,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:53:08,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:53:08,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:53:08,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:53:08,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:53:08,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:53:08,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:53:08,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:53:08,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:53:08,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:53:08,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:53:08,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:53:08,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:53:08,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:53:08,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:53:08,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:53:08,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:53:08,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:53:08,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:53:08,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:53:08,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:53:08,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:53:08,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:53:08,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:53:08,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:53:08,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:53:08,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:53:08,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:53:08,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:53:08,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:53:08,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:53:08,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:53:08,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:53:08,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:53:08,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:53:08,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:53:08,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:53:08,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:53:08,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:53:08,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:53:08,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:53:08,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:53:08,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:53:08,990 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:53:08,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:53:08,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:53:08,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:53:08,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:53:08,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:53:08,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:53:08,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:53:08,993 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:53:08,993 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:53:08,993 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:53:08,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:53:08,994 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:53:08,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:53:08,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:53:08,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:53:08,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:53:08,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:53:08,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:53:08,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:53:08,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:53:08,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:53:08,996 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:53:08,996 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:53:08,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:53:08,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:53:08,997 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 -> ac88cf7ce86c225846859791b80da882302d0035 [2019-11-28 00:53:09,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:53:09,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:53:09,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:53:09,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:53:09,336 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:53:09,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-11-28 00:53:09,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea461931/630d8e0b757c448f91b85ae798a41193/FLAGf444d888a [2019-11-28 00:53:09,941 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:53:09,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/33_double_lock_p1_vs.i [2019-11-28 00:53:09,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea461931/630d8e0b757c448f91b85ae798a41193/FLAGf444d888a [2019-11-28 00:53:10,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dea461931/630d8e0b757c448f91b85ae798a41193 [2019-11-28 00:53:10,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:53:10,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:53:10,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:10,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:53:10,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:53:10,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:10,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c09576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10, skipping insertion in model container [2019-11-28 00:53:10,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:10,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:53:10,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:53:10,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:10,790 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:53:10,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:10,936 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:53:10,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10 WrapperNode [2019-11-28 00:53:10,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:10,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:10,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:53:10,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:53:10,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:10,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:10,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:10,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:53:10,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:53:10,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:53:11,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (1/1) ... [2019-11-28 00:53:11,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:53:11,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:53:11,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:53:11,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:53:11,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:10" (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 00:53:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:53:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 00:53:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 00:53:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:53:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:53:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:53:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:53:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:53:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 00:53:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:53:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:53:11,111 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 00:53:11,311 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:11,314 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel [2019-11-28 00:53:11,315 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel [2019-11-28 00:53:11,319 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:11,320 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-28 00:53:11,320 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_dec_returnLabel#2 [2019-11-28 00:53:11,321 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_inc_returnLabel#2 [2019-11-28 00:53:11,322 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-28 00:53:11,440 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:11,441 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-28 00:53:11,445 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:11,445 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-28 00:53:11,576 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:11,582 INFO L168 Benchmark]: Toolchain (without parser) took 1336.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -55.8 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:11,583 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:53:11,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -89.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:11,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:53:11,585 INFO L168 Benchmark]: Boogie Preprocessor took 39.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:53:11,586 INFO L168 Benchmark]: RCFGBuilder took 545.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:11,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 691.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.0 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -89.0 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 545.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...