java -ea -Xmx8000000000 -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 ../../../trunk/examples/toolchains/C-BIN-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-rb-sentinel_false-unreach-call_false-valid-memcleanup.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:39:40,849 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:39:40,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:39:40,864 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:39:40,864 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:39:40,865 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:39:40,866 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:39:40,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:39:40,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:39:40,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:39:40,872 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:39:40,873 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:39:40,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:39:40,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:39:40,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:39:40,876 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:39:40,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:39:40,879 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:39:40,881 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:39:40,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:39:40,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:39:40,886 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:39:40,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-22 22:39:40,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:39:40,896 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:39:40,897 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:39:40,898 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:39:40,899 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 22:39:40,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:39:40,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:39:40,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:39:40,933 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:39:40,934 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:39:40,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:39:40,935 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:39:40,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:39:40,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:39:40,935 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:39:40,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:39:40,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:39:40,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:39:40,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:39:40,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:39:40,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:39:40,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:39:40,938 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:39:40,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:39:40,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:39:40,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:39:40,940 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:39:40,940 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:39:40,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:39:40,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:39:40,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:39:40,941 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:39:40,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:39:40,941 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:39:40,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:39:40,942 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:39:40,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:39:41,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:39:41,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:39:41,011 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:39:41,012 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:39:41,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-sentinel_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:39:41,073 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bb5ff6f/511d313bf92741d6a2ca40d162f182b6/FLAG13134d626 [2018-11-22 22:39:41,605 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:39:41,606 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel_false-unreach-call_false-valid-memcleanup.i [2018-11-22 22:39:41,618 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bb5ff6f/511d313bf92741d6a2ca40d162f182b6/FLAG13134d626 [2018-11-22 22:39:41,890 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33bb5ff6f/511d313bf92741d6a2ca40d162f182b6 [2018-11-22 22:39:41,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:39:41,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-22 22:39:41,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:39:41,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:39:41,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:39:41,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:41" (1/1) ... [2018-11-22 22:39:41,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb22dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:41, skipping insertion in model container [2018-11-22 22:39:41,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:41" (1/1) ... [2018-11-22 22:39:41,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:39:41,982 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:39:42,350 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:39:42,362 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:39:42,434 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:39:42,498 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:39:42,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42 WrapperNode [2018-11-22 22:39:42,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:39:42,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:39:42,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:39:42,500 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:39:42,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:39:42,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:39:42,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:39:42,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:39:42,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ... [2018-11-22 22:39:42,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:39:42,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:39:42,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:39:42,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:39:42,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (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 [2018-11-22 22:39:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:39:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:39:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:39:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:39:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:39:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:39:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:39:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 22:39:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:39:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:39:42,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:39:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:39:43,044 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join. at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:657) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.access$1(CfgBuilder.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:254) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2018-11-22 22:39:43,049 INFO L168 Benchmark]: Toolchain (without parser) took 1148.31 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -733.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-22 22:39:43,053 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-22 22:39:43,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-22 22:39:43,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.84 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -789.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2018-11-22 22:39:43,059 INFO L168 Benchmark]: Boogie Preprocessor took 58.35 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-22 22:39:43,059 INFO L168 Benchmark]: RCFGBuilder took 367.91 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2018-11-22 22:39:43,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 596.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 120.84 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 714.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -789.1 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.35 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 367.91 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join. de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join.: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:657) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...