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-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-queue_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-aa41828 [2018-11-22 20:50:44,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 20:50:44,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 20:50:44,908 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 20:50:44,910 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 20:50:44,911 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 20:50:44,913 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 20:50:44,916 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 20:50:44,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 20:50:44,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 20:50:44,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 20:50:44,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 20:50:44,924 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 20:50:44,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 20:50:44,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 20:50:44,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 20:50:44,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 20:50:44,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 20:50:44,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 20:50:44,935 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 20:50:44,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 20:50:44,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 20:50:44,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-22 20:50:44,947 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 20:50:44,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 20:50:44,948 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 20:50:44,949 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 20:50:44,950 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-22 20:50:44,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 20:50:44,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 20:50:44,966 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 20:50:44,967 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 20:50:44,967 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 20:50:44,967 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 20:50:44,968 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 20:50:44,968 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 20:50:44,968 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 20:50:44,968 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 20:50:44,968 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 20:50:44,969 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 20:50:44,969 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 20:50:44,969 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-22 20:50:44,969 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-22 20:50:44,970 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-22 20:50:44,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 20:50:44,970 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 20:50:44,970 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 20:50:44,970 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 20:50:44,971 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 20:50:44,971 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 20:50:44,971 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 20:50:44,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 20:50:44,971 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 20:50:44,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 20:50:44,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 20:50:44,972 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 20:50:44,972 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-22 20:50:44,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 20:50:44,973 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 20:50:44,973 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 20:50:45,024 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 20:50:45,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 20:50:45,040 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 20:50:45,042 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 20:50:45,042 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 20:50:45,043 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue_true-unreach-call_true-valid-memsafety.i [2018-11-22 20:50:45,108 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01680edd/defc1c2f833145f0aa62db6b7f08c238/FLAG2da0d1cb3 [2018-11-22 20:50:45,673 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 20:50:45,674 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-queue_true-unreach-call_true-valid-memsafety.i [2018-11-22 20:50:45,687 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01680edd/defc1c2f833145f0aa62db6b7f08c238/FLAG2da0d1cb3 [2018-11-22 20:50:45,947 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e01680edd/defc1c2f833145f0aa62db6b7f08c238 [2018-11-22 20:50:45,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 20:50:45,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-22 20:50:45,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 20:50:45,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 20:50:45,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 20:50:45,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:50:45" (1/1) ... [2018-11-22 20:50:45,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e0472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:45, skipping insertion in model container [2018-11-22 20:50:45,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:50:45" (1/1) ... [2018-11-22 20:50:45,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 20:50:46,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 20:50:46,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 20:50:46,526 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 20:50:46,607 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 20:50:46,770 INFO L195 MainTranslator]: Completed translation [2018-11-22 20:50:46,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46 WrapperNode [2018-11-22 20:50:46,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 20:50:46,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 20:50:46,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 20:50:46,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 20:50:46,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 20:50:46,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 20:50:46,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 20:50:46,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 20:50:46,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (1/1) ... [2018-11-22 20:50:46,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 20:50:46,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 20:50:46,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 20:50:46,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 20:50:46,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:50:46" (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 20:50:46,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 20:50:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 20:50:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 20:50:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 20:50:46,963 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 20:50:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 20:50:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 20:50:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 20:50:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 20:50:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 20:50:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 20:50:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 20:50:47,307 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 20:50:47,311 INFO L168 Benchmark]: Toolchain (without parser) took 1351.97 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-11-22 20:50:47,313 INFO L168 Benchmark]: CDTParser took 0.20 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 20:50:47,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 808.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.7 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2018-11-22 20:50:47,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2018-11-22 20:50:47,322 INFO L168 Benchmark]: Boogie Preprocessor took 79.37 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-22 20:50:47,324 INFO L168 Benchmark]: RCFGBuilder took 412.93 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2018-11-22 20:50:47,329 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 808.58 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -804.7 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.37 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 412.93 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join. de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: If mcurrent is LocNode, then st is first statement of a block or fist statement after a call, fork, or join.: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:657) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...