./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/35_double_lock_p3_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/35_double_lock_p3_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 92b537c19e93936c627f40c0919a7120398cdd58 ............................................................................................................................................................................................... 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/35_double_lock_p3_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 92b537c19e93936c627f40c0919a7120398cdd58 ................................................................................................................................................................................................. 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 00:53:07,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:53:07,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:53:07,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:53:07,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:53:07,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:53:07,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:53:07,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:53:07,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:53:07,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:53:07,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:53:07,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:53:07,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:53:07,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:53:07,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:53:07,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:53:07,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:53:07,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:53:07,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:53:07,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:53:07,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:53:07,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:53:07,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:53:07,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:53:07,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:53:07,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:53:07,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:53:07,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:53:07,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:53:07,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:53:07,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:53:07,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:53:07,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:53:07,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:53:07,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:53:07,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:53:07,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:53:07,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:53:07,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:53:07,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:53:07,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:53:07,197 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:53:07,212 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:53:07,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:53:07,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:53:07,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:53:07,214 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:53:07,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:53:07,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:53:07,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:53:07,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:53:07,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:53:07,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:53:07,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:53:07,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:53:07,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:53:07,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:53:07,217 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:53:07,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:53:07,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:53:07,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:53:07,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:53:07,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:53:07,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:53:07,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:53:07,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:53:07,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:53:07,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:53:07,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:53:07,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:53:07,220 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 -> 92b537c19e93936c627f40c0919a7120398cdd58 [2019-11-28 00:53:07,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:53:07,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:53:07,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:53:07,562 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:53:07,562 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:53:07,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-11-28 00:53:07,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f236c30b/b658fafd1e054beaa610184cd29a766c/FLAG14817d0a6 [2019-11-28 00:53:08,220 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:53:08,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-11-28 00:53:08,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f236c30b/b658fafd1e054beaa610184cd29a766c/FLAG14817d0a6 [2019-11-28 00:53:08,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f236c30b/b658fafd1e054beaa610184cd29a766c [2019-11-28 00:53:08,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:53:08,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:53:08,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:08,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:53:08,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:53:08,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:08" (1/1) ... [2019-11-28 00:53:08,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ebb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:08, skipping insertion in model container [2019-11-28 00:53:08,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:08" (1/1) ... [2019-11-28 00:53:08,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:53:08,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:53:09,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:09,093 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:53:09,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:09,274 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:53:09,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09 WrapperNode [2019-11-28 00:53:09,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:09,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:09,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:53:09,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:53:09,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:09,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:53:09,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:53:09,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:53:09,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (1/1) ... [2019-11-28 00:53:09,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:53:09,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:53:09,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:53:09,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:53:09,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:09" (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 00:53:09,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 00:53:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 00:53:09,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 00:53:09,437 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:53:09,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:53:09,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 00:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:53:09,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:53:09,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:53:09,444 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 00:53:09,604 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:09,605 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:09,613 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-28 00:53:09,619 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-28 00:53:09,769 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:09,773 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:09,862 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:09,869 INFO L168 Benchmark]: Toolchain (without parser) took 1354.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:09,870 INFO L168 Benchmark]: CDTParser took 0.22 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 00:53:09,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:09,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.29 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 00:53:09,873 INFO L168 Benchmark]: Boogie Preprocessor took 31.37 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 00:53:09,876 INFO L168 Benchmark]: RCFGBuilder took 505.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:09,880 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 759.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -138.4 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 505.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:11,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:53:11,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:53:11,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:53:11,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:53:11,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:53:11,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:53:11,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:53:11,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:53:11,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:53:11,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:53:11,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:53:11,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:53:11,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:53:11,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:53:11,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:53:11,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:53:11,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:53:11,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:53:11,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:53:11,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:53:11,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:53:11,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:53:11,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:53:11,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:53:11,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:53:11,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:53:11,993 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:53:11,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:53:11,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:53:11,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:53:11,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:53:11,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:53:11,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:53:11,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:53:11,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:53:12,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:53:12,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:53:12,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:53:12,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:53:12,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:53:12,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 00:53:12,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:53:12,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:53:12,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:53:12,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:53:12,030 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:53:12,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:53:12,030 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:53:12,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:53:12,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:53:12,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:53:12,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:53:12,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:53:12,032 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 00:53:12,032 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 00:53:12,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:53:12,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:53:12,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:53:12,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:53:12,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:53:12,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:53:12,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:53:12,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:53:12,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:53:12,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:53:12,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:53:12,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:53:12,036 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 00:53:12,037 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 00:53:12,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:53:12,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 00:53:12,038 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 -> 92b537c19e93936c627f40c0919a7120398cdd58 [2019-11-28 00:53:12,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:53:12,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:53:12,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:53:12,412 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:53:12,413 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:53:12,415 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-11-28 00:53:12,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b1fe459/a1953f71e07c45289c7937c37c8fa888/FLAGc1cff10e3 [2019-11-28 00:53:13,031 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:53:13,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/35_double_lock_p3_vs.i [2019-11-28 00:53:13,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b1fe459/a1953f71e07c45289c7937c37c8fa888/FLAGc1cff10e3 [2019-11-28 00:53:13,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b1fe459/a1953f71e07c45289c7937c37c8fa888 [2019-11-28 00:53:13,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:53:13,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:53:13,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:13,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:53:13,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:53:13,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:13" (1/1) ... [2019-11-28 00:53:13,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d12a103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:13, skipping insertion in model container [2019-11-28 00:53:13,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:53:13" (1/1) ... [2019-11-28 00:53:13,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:53:13,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:53:13,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:13,888 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:53:13,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:53:14,041 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:53:14,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14 WrapperNode [2019-11-28 00:53:14,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:53:14,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:14,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:53:14,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:53:14,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:53:14,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:53:14,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:53:14,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:53:14,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (1/1) ... [2019-11-28 00:53:14,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:53:14,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:53:14,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:53:14,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:53:14,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:53:14" (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 00:53:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 00:53:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 00:53:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 00:53:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 00:53:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 00:53:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:53:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 00:53:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 00:53:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 00:53:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:53:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:53:14,236 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 00:53:14,443 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:14,444 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:14,446 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2019-11-28 00:53:14,446 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2019-11-28 00:53:14,560 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-11-28 00:53:14,564 INFO L1547 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-11-28 00:53:14,665 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 00:53:14,670 INFO L168 Benchmark]: Toolchain (without parser) took 1326.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:14,670 INFO L168 Benchmark]: CDTParser took 0.40 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 00:53:14,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:14,675 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.55 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 00:53:14,676 INFO L168 Benchmark]: Boogie Preprocessor took 62.54 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 00:53:14,680 INFO L168 Benchmark]: RCFGBuilder took 502.34 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:53:14,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 695.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 502.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...