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/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-aa41828 [2018-11-23 02:02:59,391 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 02:02:59,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 02:02:59,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 02:02:59,414 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 02:02:59,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 02:02:59,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 02:02:59,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 02:02:59,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 02:02:59,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 02:02:59,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 02:02:59,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 02:02:59,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 02:02:59,437 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 02:02:59,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 02:02:59,439 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 02:02:59,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 02:02:59,444 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 02:02:59,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 02:02:59,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 02:02:59,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 02:02:59,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 02:02:59,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 02:02:59,460 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 02:02:59,462 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 02:02:59,463 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 02:02:59,464 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 02:02:59,466 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 02:02:59,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 02:02:59,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 02:02:59,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 02:02:59,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 02:02:59,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 02:02:59,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 02:02:59,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 02:02:59,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 02:02:59,474 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 02:02:59,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 02:02:59,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 02:02:59,498 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 02:02:59,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 02:02:59,498 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 02:02:59,499 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 02:02:59,499 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 02:02:59,499 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 02:02:59,499 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 02:02:59,499 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 02:02:59,500 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 02:02:59,500 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 02:02:59,500 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 02:02:59,500 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 02:02:59,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 02:02:59,501 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 02:02:59,501 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 02:02:59,501 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 02:02:59,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 02:02:59,501 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 02:02:59,502 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 02:02:59,502 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 02:02:59,502 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 02:02:59,502 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 02:02:59,502 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 02:02:59,503 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 02:02:59,503 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 02:02:59,503 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 02:02:59,504 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 02:02:59,504 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2018-11-23 02:02:59,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 02:02:59,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 02:02:59,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 02:02:59,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 02:02:59,581 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 02:02:59,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c [2018-11-23 02:02:59,652 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3db975d1/19c6434c2fde499cbaf234202477ab08/FLAG95a3094cc [2018-11-23 02:03:00,268 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 02:03:00,269 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product36_true-unreach-call_true-termination.cil.c [2018-11-23 02:03:00,292 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3db975d1/19c6434c2fde499cbaf234202477ab08/FLAG95a3094cc [2018-11-23 02:03:00,464 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3db975d1/19c6434c2fde499cbaf234202477ab08 [2018-11-23 02:03:00,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 02:03:00,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-23 02:03:00,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 02:03:00,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 02:03:00,481 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 02:03:00,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:00" (1/1) ... [2018-11-23 02:03:00,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704c59dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:00, skipping insertion in model container [2018-11-23 02:03:00,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:03:00" (1/1) ... [2018-11-23 02:03:00,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 02:03:00,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 02:03:01,400 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:03:01,422 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 02:03:01,728 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 02:03:01,805 INFO L195 MainTranslator]: Completed translation [2018-11-23 02:03:01,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01 WrapperNode [2018-11-23 02:03:01,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 02:03:01,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 02:03:01,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 02:03:01,807 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 02:03:01,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:01,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 02:03:02,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 02:03:02,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 02:03:02,013 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 02:03:02,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... [2018-11-23 02:03:02,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 02:03:02,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 02:03:02,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 02:03:02,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 02:03:02,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:03:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory: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 02:03:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 02:03:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-23 02:03:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 02:03:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 02:03:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 02:03:02,668 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 02:03:02,672 INFO L168 Benchmark]: Toolchain (without parser) took 2198.12 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -686.0 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2018-11-23 02:03:02,675 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 02:03:02,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1329.19 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -737.2 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2018-11-23 02:03:02,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.88 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2018-11-23 02:03:02,677 INFO L168 Benchmark]: Boogie Preprocessor took 130.13 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 02:03:02,678 INFO L168 Benchmark]: RCFGBuilder took 528.33 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. [2018-11-23 02:03:02,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1329.19 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -737.2 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 204.88 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.13 ms. Allocated memory is still 2.2 GB. Free memory is still 2.1 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 528.33 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join. de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join.: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:657) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...