./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51bfa43f8d537bbe3f7c345d10ead95f9a992fce ........................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 51bfa43f8d537bbe3f7c345d10ead95f9a992fce ............................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:00:54,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:00:54,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:00:54,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:00:54,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:00:54,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:00:54,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:00:54,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:00:54,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:00:54,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:00:54,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:00:54,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:00:54,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:00:54,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:00:54,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:00:54,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:00:54,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:00:54,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:00:54,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:00:54,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:00:54,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:00:54,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:00:54,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:00:54,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:00:54,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:00:54,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:00:54,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:00:54,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:00:54,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:00:54,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:00:54,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:00:54,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:00:54,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:00:54,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:00:54,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:00:54,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:00:54,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:00:54,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:00:54,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:00:54,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:00:54,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:00:54,230 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:00:54,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:00:54,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:00:54,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:00:54,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:00:54,273 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:00:54,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:00:54,276 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:00:54,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:00:54,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:00:54,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:00:54,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:00:54,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:00:54,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:00:54,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:00:54,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:00:54,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:00:54,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:00:54,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:00:54,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:00:54,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:00:54,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:00:54,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:00:54,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:00:54,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:00:54,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:00:54,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:00:54,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:00:54,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:00:54,285 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 -> 51bfa43f8d537bbe3f7c345d10ead95f9a992fce [2019-11-28 01:00:54,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:00:54,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:00:54,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:00:54,642 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:00:54,642 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:00:54,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i [2019-11-28 01:00:54,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8209f9031/0ce4c68a36d443629b3f29a20f28c273/FLAGef445bb7d [2019-11-28 01:00:55,294 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:00:55,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i [2019-11-28 01:00:55,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8209f9031/0ce4c68a36d443629b3f29a20f28c273/FLAGef445bb7d [2019-11-28 01:00:55,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8209f9031/0ce4c68a36d443629b3f29a20f28c273 [2019-11-28 01:00:55,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:00:55,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:00:55,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:55,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:00:55,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:00:55,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:55" (1/1) ... [2019-11-28 01:00:55,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d92780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:55, skipping insertion in model container [2019-11-28 01:00:55,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:00:55" (1/1) ... [2019-11-28 01:00:55,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:00:55,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:00:56,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:00:56,200 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:00:56,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:00:56,380 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:00:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56 WrapperNode [2019-11-28 01:00:56,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:00:56,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:00:56,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:00:56,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:00:56,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:00:56,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:00:56,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:00:56,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:00:56,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... [2019-11-28 01:00:56,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:00:56,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:00:56,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:00:56,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:00:56,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:00:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:00:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:00:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:00:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:00:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:00:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:00:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:00:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:00:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:00:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:00:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:00:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:00:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:00:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:00:56,686 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:00:57,712 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:00:57,721 INFO L168 Benchmark]: Toolchain (without parser) took 2195.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.9 MB in the beginning and 996.3 MB in the end (delta: -49.4 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:57,722 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:00:57,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:57,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:00:57,727 INFO L168 Benchmark]: Boogie Preprocessor took 90.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:57,729 INFO L168 Benchmark]: RCFGBuilder took 1112.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:00:57,735 INFO L335 ainManager$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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 855.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -128.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1112.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:00:59,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:00:59,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:00:59,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:00:59,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:00:59,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:00:59,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:00:59,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:00:59,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:00:59,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:00:59,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:00:59,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:00:59,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:00:59,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:00:59,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:00:59,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:00:59,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:00:59,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:00:59,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:00:59,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:00:59,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:00:59,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:00:59,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:00:59,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:00:59,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:00:59,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:00:59,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:00:59,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:00:59,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:00:59,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:00:59,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:00:59,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:00:59,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:00:59,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:00:59,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:00:59,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:00:59,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:00:59,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:00:59,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:00:59,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:00:59,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:00:59,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:00:59,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:00:59,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:00:59,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:00:59,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:00:59,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:00:59,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:00:59,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:00:59,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:00:59,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:00:59,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:00:59,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:00:59,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:00:59,856 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:00:59,857 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:00:59,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:00:59,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:00:59,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:00:59,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:00:59,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:00:59,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:00:59,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:00:59,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:00:59,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:00:59,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:00:59,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:00:59,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:00:59,859 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:00:59,860 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:00:59,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:00:59,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:00:59,860 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 -> 51bfa43f8d537bbe3f7c345d10ead95f9a992fce [2019-11-28 01:01:00,160 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:01:00,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:01:00,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:01:00,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:01:00,183 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:01:00,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i [2019-11-28 01:01:00,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0aa1aede/49a7cb2a49c240c9857c4b12585afa27/FLAG3577bb108 [2019-11-28 01:01:00,872 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:01:00,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe003_power.oepc.i [2019-11-28 01:01:00,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0aa1aede/49a7cb2a49c240c9857c4b12585afa27/FLAG3577bb108 [2019-11-28 01:01:01,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0aa1aede/49a7cb2a49c240c9857c4b12585afa27 [2019-11-28 01:01:01,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:01:01,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:01:01,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:01,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:01:01,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:01:01,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:01" (1/1) ... [2019-11-28 01:01:01,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0c7b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:01, skipping insertion in model container [2019-11-28 01:01:01,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:01:01" (1/1) ... [2019-11-28 01:01:01,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:01:01,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:01:01,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:01,792 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:01:01,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:01:02,013 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:01:02,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02 WrapperNode [2019-11-28 01:01:02,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:01:02,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:02,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:01:02,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:01:02,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:01:02,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:01:02,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:01:02,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:01:02,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... [2019-11-28 01:01:02,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:01:02,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:01:02,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:01:02,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:01:02,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:01:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:01:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:01:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:01:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:01:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:01:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:01:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:01:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:01:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:01:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:01:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:01:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:01:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:01:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:01:02,249 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-28 01:01:03,274 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1632) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:01:03,281 INFO L168 Benchmark]: Toolchain (without parser) took 2087.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -65.1 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:03,282 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 01:01:03,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:03,284 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:01:03,285 INFO L168 Benchmark]: Boogie Preprocessor took 57.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:03,287 INFO L168 Benchmark]: RCFGBuilder took 1129.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:01:03,293 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 821.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1129.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...