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-Termination-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:54:05,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:54:05,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:54:05,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:54:05,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:54:05,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:54:05,129 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:54:05,131 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:54:05,133 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:54:05,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:54:05,137 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:54:05,137 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:54:05,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:54:05,140 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:54:05,143 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:54:05,146 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:54:05,146 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:54:05,154 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:54:05,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:54:05,162 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:54:05,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:54:05,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:54:05,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:54:05,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:54:05,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:54:05,167 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:54:05,168 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:54:05,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:54:05,170 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:54:05,171 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:54:05,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:54:05,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:54:05,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:54:05,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:54:05,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:54:05,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:54:05,174 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 01:54:05,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:54:05,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:54:05,201 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:54:05,201 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:54:05,202 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 01:54:05,202 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 01:54:05,202 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 01:54:05,202 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 01:54:05,202 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 01:54:05,203 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 01:54:05,204 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 01:54:05,204 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:54:05,204 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 01:54:05,204 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:54:05,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:54:05,205 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 01:54:05,205 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 01:54:05,205 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 01:54:05,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:54:05,205 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 01:54:05,205 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:54:05,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 01:54:05,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:54:05,207 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:54:05,207 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 01:54:05,208 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:54:05,208 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 01:54:05,208 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 01:54:05,209 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 01:54:05,209 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2018-11-23 01:54:05,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:54:05,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:54:05,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:54:05,294 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:54:05,295 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:54:05,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i [2018-11-23 01:54:05,369 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d5d2a1b/b45aa8aaa37a46dfaa6e459c9d113e05/FLAGbfe381774 [2018-11-23 01:54:05,868 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:54:05,868 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-memory-alloca/openbsd_cstrncmp-alloca_true-termination.c.i [2018-11-23 01:54:05,882 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d5d2a1b/b45aa8aaa37a46dfaa6e459c9d113e05/FLAGbfe381774 [2018-11-23 01:54:06,147 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21d5d2a1b/b45aa8aaa37a46dfaa6e459c9d113e05 [2018-11-23 01:54:06,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:54:06,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-23 01:54:06,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:06,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:54:06,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:54:06,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a6561f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06, skipping insertion in model container [2018-11-23 01:54:06,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:54:06,244 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:54:06,647 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:06,660 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:54:06,734 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:54:06,797 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:54:06,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06 WrapperNode [2018-11-23 01:54:06,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:54:06,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:06,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:54:06,799 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:54:06,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:54:06,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:54:06,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:54:06,937 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:54:06,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (1/1) ... [2018-11-23 01:54:06,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:54:06,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:54:06,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:54:06,986 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:54:06,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:06" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 01:54:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:54:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 01:54:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 01:54:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 01:54:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:54:07,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:54:07,182 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) [2018-11-23 01:54:07,186 INFO L168 Benchmark]: Toolchain (without parser) took 1028.80 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -757.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 01:54:07,188 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-23 01:54:07,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.23 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-11-23 01:54:07,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 137.26 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -788.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2018-11-23 01:54:07,191 INFO L168 Benchmark]: Boogie Preprocessor took 49.11 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. [2018-11-23 01:54:07,191 INFO L168 Benchmark]: RCFGBuilder took 199.13 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-23 01:54:07,196 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 639.23 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 137.26 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 718.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -788.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.11 ms. Allocated memory is still 2.2 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 199.13 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join. de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join.: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:657) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...