./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad63357e7e87b8409adb49eecd7f64580e4a460b ........................................................................................................................................................................................... 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/safe035_power.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad63357e7e87b8409adb49eecd7f64580e4a460b ............................................................................................................................................................................................. 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 01:04:04,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:04,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:04,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:04,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:04,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:04,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:04,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:04,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:04,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:04,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:04,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:04,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:04,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:04,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:04,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:04,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:04,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:04,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:04,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:04,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:04,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:04,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:04,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:04,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:04,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:04,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:04,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:04,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:04,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:04,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:04,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:04,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:04,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:04,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:04,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:04,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:04,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:04,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:04,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:04,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:04,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:04:04,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:04,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:04,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:04,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:04,796 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:04,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:04,796 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:04,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:04:04,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:04,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:04,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:04,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:04,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:04,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:04,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:04,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:04,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:04,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:04,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:04,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:04,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:04,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:04,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:04,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:04,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:04,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:04:04,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:04:04,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:04,804 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 -> ad63357e7e87b8409adb49eecd7f64580e4a460b [2019-11-28 01:04:05,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:05,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:05,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:05,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:05,150 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:05,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.opt.i [2019-11-28 01:04:05,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19b87563/1aec182eee7d4185b8acf15ba3625b14/FLAGaed45403d [2019-11-28 01:04:05,788 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:05,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.opt.i [2019-11-28 01:04:05,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19b87563/1aec182eee7d4185b8acf15ba3625b14/FLAGaed45403d [2019-11-28 01:04:06,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19b87563/1aec182eee7d4185b8acf15ba3625b14 [2019-11-28 01:04:06,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:06,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:06,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:06,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:06,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:06,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:06,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b88ebbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06, skipping insertion in model container [2019-11-28 01:04:06,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:06,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:06,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:06,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:06,773 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:06,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:06,972 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:06,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06 WrapperNode [2019-11-28 01:04:06,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:06,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:06,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:06,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:06,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:07,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:07,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:07,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:07,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... [2019-11-28 01:04:07,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:07,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:07,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:07,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:07,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:07,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:04:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:07,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:07,289 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:07,290 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:07,290 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:04:07,291 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:04:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:07,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:07,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:07,295 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 01:04:08,556 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:04:08,563 INFO L168 Benchmark]: Toolchain (without parser) took 2432.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.3 MB in the beginning and 955.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:08,564 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:08,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -104.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:08,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:08,566 INFO L168 Benchmark]: Boogie Preprocessor took 91.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:08,567 INFO L168 Benchmark]: RCFGBuilder took 1347.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 955.3 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:08,571 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 843.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -104.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 146.56 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 91.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1347.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 955.3 MB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 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 01:04:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:04:10,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:04:10,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:04:10,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:04:10,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:04:10,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:04:10,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:04:10,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:04:10,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:04:10,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:04:10,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:04:10,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:04:10,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:04:10,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:04:10,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:04:10,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:04:10,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:04:10,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:04:10,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:04:10,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:04:10,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:04:10,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:04:10,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:04:10,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:04:10,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:04:10,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:04:10,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:04:10,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:04:10,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:04:10,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:04:10,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:04:10,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:04:10,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:04:10,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:04:10,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:04:10,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:04:10,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:04:10,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:04:10,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:04:10,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:04:10,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:04:10,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:04:10,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:04:10,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:04:10,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:04:10,588 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:04:10,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:04:10,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:04:10,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:04:10,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:04:10,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:04:10,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:04:10,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:04:10,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:04:10,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:04:10,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:04:10,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:04:10,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:04:10,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:04:10,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:04:10,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:04:10,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:04:10,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:04:10,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:04:10,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:04:10,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:04:10,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:04:10,595 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:04:10,596 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:04:10,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:04:10,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:04:10,596 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 -> ad63357e7e87b8409adb49eecd7f64580e4a460b [2019-11-28 01:04:10,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:04:10,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:04:10,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:04:10,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:04:10,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:04:10,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.opt.i [2019-11-28 01:04:10,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f450a135d/afc9d151bc6343368e3e29a1433c44bc/FLAG74dbadff8 [2019-11-28 01:04:11,526 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:04:11,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.opt.i [2019-11-28 01:04:11,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f450a135d/afc9d151bc6343368e3e29a1433c44bc/FLAG74dbadff8 [2019-11-28 01:04:11,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f450a135d/afc9d151bc6343368e3e29a1433c44bc [2019-11-28 01:04:11,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:04:11,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:04:11,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:11,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:04:11,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:04:11,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:11" (1/1) ... [2019-11-28 01:04:11,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ece14e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:11, skipping insertion in model container [2019-11-28 01:04:11,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:04:11" (1/1) ... [2019-11-28 01:04:11,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:04:11,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:04:12,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:12,561 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:04:12,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:04:12,763 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:04:12,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12 WrapperNode [2019-11-28 01:04:12,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:04:12,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:12,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:04:12,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:04:12,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:04:12,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:04:12,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:04:12,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:04:12,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (1/1) ... [2019-11-28 01:04:12,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:04:12,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:04:12,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:04:12,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:04:12,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:04:12" (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 01:04:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-28 01:04:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:04:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:04:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:04:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-28 01:04:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-28 01:04:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-28 01:04:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-28 01:04:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-28 01:04:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-28 01:04:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-28 01:04:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:04:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:04:13,075 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 01:04:14,342 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 01:04:14,349 INFO L168 Benchmark]: Toolchain (without parser) took 2514.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 956.3 MB in the beginning and 952.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 102.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,350 INFO L168 Benchmark]: CDTParser took 0.20 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 01:04:14,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -97.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,352 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,352 INFO L168 Benchmark]: Boogie Preprocessor took 79.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:04:14,353 INFO L168 Benchmark]: RCFGBuilder took 1359.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 952.6 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. [2019-11-28 01:04:14,357 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 929.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -97.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1359.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 952.6 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...