/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced.i
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This is Ultimate 0.1.25-c90d42b
[2020-09-24 19:31:30,418 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-24 19:31:30,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 19:31:30,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 19:31:30,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 19:31:30,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 19:31:30,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 19:31:30,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 19:31:30,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 19:31:30,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 19:31:30,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 19:31:30,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 19:31:30,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 19:31:30,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 19:31:30,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 19:31:30,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 19:31:30,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 19:31:30,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 19:31:30,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 19:31:30,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 19:31:30,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 19:31:30,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 19:31:30,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 19:31:30,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 19:31:30,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 19:31:30,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 19:31:30,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 19:31:30,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 19:31:30,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 19:31:30,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 19:31:30,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 19:31:30,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 19:31:30,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 19:31:30,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 19:31:30,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 19:31:30,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 19:31:30,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 19:31:30,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 19:31:30,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 19:31:30,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 19:31:30,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 19:31:30,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-24 19:31:30,526 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-24 19:31:30,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 19:31:30,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 19:31:30,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-24 19:31:30,528 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-24 19:31:30,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 19:31:30,528 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-24 19:31:30,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-24 19:31:30,529 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-24 19:31:30,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-24 19:31:30,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 19:31:30,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 19:31:30,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 19:31:30,530 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-24 19:31:30,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-24 19:31:30,530 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-24 19:31:30,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-24 19:31:30,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 19:31:30,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-24 19:31:30,531 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-24 19:31:30,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-24 19:31:30,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 19:31:30,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 19:31:30,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 19:31:30,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 19:31:30,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-24 19:31:30,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 19:31:30,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 19:31:30,533 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-24 19:31:30,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true;
[2020-09-24 19:31:31,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 19:31:31,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 19:31:31,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 19:31:31,079 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-24 19:31:31,079 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-24 19:31:31,080 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced.i
[2020-09-24 19:31:31,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d41b14668/3c19d5a09b75459e97eb60ec75956656/FLAG13e8c0ff6
[2020-09-24 19:31:31,755 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-24 19:31:31,756 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/43_NetBSD_sysmon_power_sliced.i
[2020-09-24 19:31:31,774 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d41b14668/3c19d5a09b75459e97eb60ec75956656/FLAG13e8c0ff6
[2020-09-24 19:31:32,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d41b14668/3c19d5a09b75459e97eb60ec75956656
[2020-09-24 19:31:32,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 19:31:32,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 19:31:32,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 19:31:32,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 19:31:32,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 19:31:32,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b337bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32, skipping insertion in model container
[2020-09-24 19:31:32,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-24 19:31:32,110 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-24 19:31:32,685 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 19:31:32,703 INFO L203 MainTranslator]: Completed pre-run
[2020-09-24 19:31:32,762 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-24 19:31:32,851 INFO L208 MainTranslator]: Completed translation
[2020-09-24 19:31:32,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32 WrapperNode
[2020-09-24 19:31:32,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 19:31:32,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 19:31:32,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 19:31:32,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 19:31:32,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,895 ERROR L1131 TypeChecker]: C: break; [784]: Break label not found: BreakStatement[null]
[2020-09-24 19:31:32,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:31:32" (1/1) ...
[2020-09-24 19:31:32,930 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception:
de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Break to label * cannot be resolved.
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.findLabel(UnstructureCode.java:121)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureStatement(UnstructureCode.java:267)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureBlock(UnstructureCode.java:216)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureStatement(UnstructureCode.java:355)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureBlock(UnstructureCode.java:216)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureStatement(UnstructureCode.java:355)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureBlock(UnstructureCode.java:216)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.unstructureBody(UnstructureCode.java:159)
at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.process(UnstructureCode.java:136)
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:156)
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$Toolchain.processToolchain(ToolchainManager.java:317)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-09-24 19:31:32,937 INFO L168 Benchmark]: Toolchain (without parser) took 909.53 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 157.0 MB in the end (delta: -56.8 MB). Peak memory consumption was 869.8 kB. Max. memory is 7.1 GB.
[2020-09-24 19:31:32,938 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-24 19:31:32,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.31 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 99.5 MB in the beginning and 159.7 MB in the end (delta: -60.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
[2020-09-24 19:31:32,940 INFO L168 Benchmark]: Boogie Preprocessor took 79.31 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 157.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
[2020-09-24 19:31:32,944 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 146.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 823.31 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 99.5 MB in the beginning and 159.7 MB in the end (delta: -60.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 79.31 ms. Allocated memory is still 204.5 MB. Free memory was 159.7 MB in the beginning and 157.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- TypeErrorResult [Line: 784]: Type Error
Break label not found: BreakStatement[null]
- ExceptionOrErrorResult: TypeCheckException: Break to label * cannot be resolved.
de.uni_freiburg.informatik.ultimate.boogie.preprocessor: TypeCheckException: Break to label * cannot be resolved.: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.UnstructureCode.findLabel(UnstructureCode.java:121)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...