./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.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-nondet/nondet-loop-bound-variant-1.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 3da4a1e4efac52b3833b356f923a11ea84a86af0 ......................................................................................................................................................................................... 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-nondet/nondet-loop-bound-variant-1.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 3da4a1e4efac52b3833b356f923a11ea84a86af0 ........................................................................................................................................................................................... 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 01:05:59,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:05:59,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:05:59,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:05:59,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:05:59,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:05:59,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:05:59,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:05:59,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:05:59,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:05:59,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:05:59,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:05:59,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:05:59,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:05:59,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:05:59,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:05:59,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:05:59,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:05:59,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:05:59,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:05:59,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:05:59,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:05:59,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:05:59,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:05:59,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:05:59,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:05:59,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:05:59,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:05:59,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:05:59,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:05:59,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:05:59,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:05:59,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:05:59,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:05:59,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:05:59,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:05:59,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:05:59,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:05:59,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:05:59,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:05:59,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:05:59,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:05:59,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:05:59,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:05:59,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:05:59,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:05:59,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:05:59,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:05:59,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:05:59,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:05:59,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:05:59,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:05:59,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:05:59,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:05:59,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:05:59,982 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:05:59,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:05:59,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:05:59,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:05:59,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:05:59,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:05:59,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:05:59,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:05:59,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:05:59,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:05:59,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:05:59,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:05:59,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:05:59,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:05:59,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:05:59,986 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 -> 3da4a1e4efac52b3833b356f923a11ea84a86af0 [2019-11-28 01:06:00,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:06:00,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:06:00,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:06:00,318 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:06:00,319 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:06:00,320 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-11-28 01:06:00,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2f78e50/ffd6c05379284ef78eaf90aa27306e2c/FLAG146597fe5 [2019-11-28 01:06:00,964 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:06:00,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-11-28 01:06:00,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2f78e50/ffd6c05379284ef78eaf90aa27306e2c/FLAG146597fe5 [2019-11-28 01:06:01,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f2f78e50/ffd6c05379284ef78eaf90aa27306e2c [2019-11-28 01:06:01,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:06:01,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:06:01,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:01,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:06:01,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:06:01,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:01,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21aba202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01, skipping insertion in model container [2019-11-28 01:06:01,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:01,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:06:01,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:06:01,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:01,829 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:06:01,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:01,986 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:06:01,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01 WrapperNode [2019-11-28 01:06:01,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:01,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:01,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:06:01,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:06:01,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:02,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:06:02,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:06:02,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:06:02,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:02,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:06:02,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:06:02,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:06:02,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:06:02,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:01" (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 01:06:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 01:06:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 01:06:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 01:06:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 01:06:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:06:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:06:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:06:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:06:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:06:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:06:02,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:06:02,140 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 01:06:02,505 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:06:02,509 INFO L168 Benchmark]: Toolchain (without parser) took 1258.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,510 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:06:02,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,512 INFO L168 Benchmark]: Boogie Preprocessor took 27.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:06:02,513 INFO L168 Benchmark]: RCFGBuilder took 442.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 736.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.33 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 442.77 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:06:04,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:06:04,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:06:04,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:06:04,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:06:04,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:06:04,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:06:04,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:06:04,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:06:04,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:06:04,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:06:04,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:06:04,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:06:04,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:06:04,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:06:04,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:06:04,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:06:04,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:06:04,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:06:04,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:06:04,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:06:04,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:06:04,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:06:04,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:06:04,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:06:04,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:06:04,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:06:04,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:06:04,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:06:04,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:06:04,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:06:04,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:06:04,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:06:04,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:06:04,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:06:04,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:06:04,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:06:04,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:06:04,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:06:04,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:06:04,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:06:04,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:06:04,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:06:04,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:06:04,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:06:04,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:06:04,599 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:06:04,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:06:04,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:06:04,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:06:04,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:06:04,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:06:04,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:06:04,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:06:04,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:06:04,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:06:04,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:06:04,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:06:04,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:06:04,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:06:04,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:06:04,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:06:04,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:06:04,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:06:04,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:06:04,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:06:04,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:06:04,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:06:04,604 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:06:04,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:06:04,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:06:04,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:06:04,605 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 -> 3da4a1e4efac52b3833b356f923a11ea84a86af0 [2019-11-28 01:06:04,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:06:04,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:06:04,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:06:04,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:06:04,947 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:06:04,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-11-28 01:06:05,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ed1e432/ccc5245f5fdc4a87b13ce0a9c0155641/FLAG160d0c727 [2019-11-28 01:06:05,616 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:06:05,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-1.i [2019-11-28 01:06:05,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ed1e432/ccc5245f5fdc4a87b13ce0a9c0155641/FLAG160d0c727 [2019-11-28 01:06:05,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ed1e432/ccc5245f5fdc4a87b13ce0a9c0155641 [2019-11-28 01:06:05,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:06:05,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:06:05,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:05,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:06:05,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:06:05,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:05" (1/1) ... [2019-11-28 01:06:05,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2727f677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:05, skipping insertion in model container [2019-11-28 01:06:05,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:05" (1/1) ... [2019-11-28 01:06:05,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:06:05,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:06:06,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:06,393 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:06:06,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:06,521 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:06:06,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06 WrapperNode [2019-11-28 01:06:06,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:06,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:06,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:06:06,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:06:06,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:06,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:06:06,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:06:06,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:06:06,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:06:06,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:06:06,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:06:06,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:06:06,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06" (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 01:06:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 01:06:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 01:06:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 01:06:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 01:06:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:06:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:06:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:06:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:06:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:06:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:06:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:06:06,689 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 01:06:07,148 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 01:06:07,154 INFO L168 Benchmark]: Toolchain (without parser) took 1280.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:07,155 INFO L168 Benchmark]: CDTParser took 0.33 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 01:06:07,156 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:07,157 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.92 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 01:06:07,157 INFO L168 Benchmark]: Boogie Preprocessor took 35.97 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 01:06:07,158 INFO L168 Benchmark]: RCFGBuilder took 537.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:07,162 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 647.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -141.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 537.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...