./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.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-2.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 cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 ......................................................................................................................................................................................... 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-2.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 cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 ........................................................................................................................................................................................... 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 01:06:00,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:06:00,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:06:00,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:06:00,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:06:00,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:06:00,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:06:00,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:06:00,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:06:00,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:06:00,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:06:00,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:06:00,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:06:00,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:06:00,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:06:00,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:06:00,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:06:00,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:06:00,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:06:00,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:06:00,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:06:00,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:06:00,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:06:00,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:06:00,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:06:00,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:06:00,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:06:00,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:06:00,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:06:00,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:06:00,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:06:00,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:06:00,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:06:00,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:06:00,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:06:00,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:06:00,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:06:00,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:06:00,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:06:00,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:06:00,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:06:00,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 01:06:00,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:06:00,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:06:00,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:06:00,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:06:00,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:06:00,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:06:00,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:06:00,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 01:06:00,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:06:00,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:06:00,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:06:00,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:06:00,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:06:00,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:06:00,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:06:00,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:06:00,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:06:00,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:06:00,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:06:00,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:06:00,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:06:00,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:06:00,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:06:00,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:06:00,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:06:00,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 01:06:00,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 01:06:00,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:06:00,155 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 -> cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 [2019-11-28 01:06:00,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:06:00,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:06:00,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:06:00,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:06:00,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:06:00,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-28 01:06:00,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9efbbb19b/cc1e93418cfc443bac7f57eb077ab7c6/FLAG9112d5449 [2019-11-28 01:06:01,145 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:06:01,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-28 01:06:01,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9efbbb19b/cc1e93418cfc443bac7f57eb077ab7c6/FLAG9112d5449 [2019-11-28 01:06:01,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9efbbb19b/cc1e93418cfc443bac7f57eb077ab7c6 [2019-11-28 01:06:01,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:06:01,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:06:01,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:01,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:06:01,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:06:01,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:01,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c 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 01:06:01,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:01" (1/1) ... [2019-11-28 01:06:01,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:06:01,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:06:01,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:01,964 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:06:02,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:02,150 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:06:02,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02 WrapperNode [2019-11-28 01:06:02,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:02,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:02,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:06:02,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:06:02,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:02,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:06:02,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:06:02,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:06:02,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... [2019-11-28 01:06:02,249 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:06:02,250 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:06:02,250 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:06:02,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:06:02,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:06:02,314 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 01:06:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 01:06:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 01:06:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 01:06:02,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 01:06:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:06:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:06:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:06:02,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 01:06:02,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:06:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:06:02,318 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 01:06:02,718 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 01:06:02,725 INFO L168 Benchmark]: Toolchain (without parser) took 1307.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -125.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,726 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:06:02,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,729 INFO L168 Benchmark]: Boogie Preprocessor took 29.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 01:06:02,730 INFO L168 Benchmark]: RCFGBuilder took 472.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:02,734 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 734.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.93 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 472.24 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-28 01:06:04,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 01:06:04,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 01:06:04,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 01:06:04,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 01:06:04,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 01:06:04,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 01:06:04,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 01:06:04,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 01:06:04,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 01:06:04,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 01:06:04,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 01:06:04,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 01:06:04,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 01:06:04,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 01:06:04,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 01:06:04,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 01:06:04,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 01:06:04,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 01:06:04,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 01:06:04,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 01:06:04,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 01:06:04,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 01:06:04,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 01:06:04,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 01:06:04,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 01:06:04,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 01:06:04,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 01:06:04,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 01:06:04,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 01:06:04,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 01:06:04,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 01:06:04,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 01:06:04,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 01:06:04,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 01:06:04,802 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 01:06:04,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 01:06:04,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 01:06:04,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 01:06:04,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 01:06:04,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 01:06:04,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 01:06:04,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 01:06:04,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 01:06:04,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 01:06:04,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 01:06:04,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 01:06:04,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 01:06:04,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 01:06:04,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 01:06:04,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 01:06:04,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 01:06:04,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 01:06:04,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 01:06:04,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 01:06:04,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 01:06:04,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 01:06:04,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 01:06:04,843 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 01:06:04,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 01:06:04,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 01:06:04,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 01:06:04,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 01:06:04,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 01:06:04,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 01:06:04,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 01:06:04,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 01:06:04,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 01:06:04,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 01:06:04,846 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 01:06:04,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 01:06:04,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 01:06:04,846 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 -> cce50a6947ffe100c432fe6ddda6fc9d14f55ea2 [2019-11-28 01:06:05,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 01:06:05,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 01:06:05,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 01:06:05,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 01:06:05,223 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 01:06:05,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-28 01:06:05,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c3a6fbe/736559e4b7cc49e7a74d15798ee2abf9/FLAGd19cb0da1 [2019-11-28 01:06:05,851 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 01:06:05,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant-2.i [2019-11-28 01:06:05,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c3a6fbe/736559e4b7cc49e7a74d15798ee2abf9/FLAGd19cb0da1 [2019-11-28 01:06:06,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c3a6fbe/736559e4b7cc49e7a74d15798ee2abf9 [2019-11-28 01:06:06,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 01:06:06,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 01:06:06,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:06,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 01:06:06,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 01:06:06,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8f7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06, skipping insertion in model container [2019-11-28 01:06:06,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:06:06" (1/1) ... [2019-11-28 01:06:06,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 01:06:06,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 01:06:06,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:06,690 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 01:06:06,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 01:06:06,851 INFO L208 MainTranslator]: Completed translation [2019-11-28 01:06:06,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:06:06 WrapperNode [2019-11-28 01:06:06,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 01:06:06,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:06,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 01:06:06,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 01:06:06,863 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 01:06:06,888 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 01:06:06,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 01:06:06,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 01:06:06,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 01:06:06,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 01:06:06,922 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 01:06:06,922 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 01:06:06,926 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 01:06:06,926 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 01:06:06,935 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 01:06:06,939 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 01:06:06,942 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 01:06:06,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 01:06:06,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 01:06:06,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 01:06:06,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 01:06:06,948 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 01:06:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-28 01:06:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-28 01:06:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-28 01:06:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-28 01:06:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-28 01:06:07,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 01:06:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 01:06:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 01:06:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-11-28 01:06:07,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 01:06:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 01:06:07,020 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 01:06:07,465 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 01:06:07,473 INFO L168 Benchmark]: Toolchain (without parser) took 1329.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -120.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:07,474 INFO L168 Benchmark]: CDTParser took 0.33 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 01:06:07,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:07,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.58 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 01:06:07,477 INFO L168 Benchmark]: Boogie Preprocessor took 33.04 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 01:06:07,480 INFO L168 Benchmark]: RCFGBuilder took 522.36 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: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-28 01:06:07,485 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 709.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 522.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: IllegalStateException: fork and join should never be part of a composition. Are you accidentally using a block encoding that is not suitable for concurrent programs?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.isIntermediateNodeOfSequentialCompositionCandidate(CfgBuilder.java:1720) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...