java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-f3d0b09
[2019-08-08 11:46:41,182 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-08-08 11:46:41,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-08-08 11:46:41,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-08-08 11:46:41,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-08-08 11:46:41,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-08-08 11:46:41,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-08-08 11:46:41,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-08-08 11:46:41,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-08-08 11:46:41,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-08-08 11:46:41,205 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values
[2019-08-08 11:46:41,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-08-08 11:46:41,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-08-08 11:46:41,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-08-08 11:46:41,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-08-08 11:46:41,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-08-08 11:46:41,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-08-08 11:46:41,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-08-08 11:46:41,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-08-08 11:46:41,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-08-08 11:46:41,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-08-08 11:46:41,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-08-08 11:46:41,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-08-08 11:46:41,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-08-08 11:46:41,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-08-08 11:46:41,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-08-08 11:46:41,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-08-08 11:46:41,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-08-08 11:46:41,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-08 11:46:41,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-08-08 11:46:41,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
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[2019-08-08 11:46:41,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-08-08 11:46:41,234 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-08-08 11:46:41,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-08-08 11:46:41,262 INFO L113 SettingsManager]: Loading preferences was successful
[2019-08-08 11:46:41,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-08-08 11:46:41,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-08-08 11:46:41,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-08-08 11:46:41,265 INFO L138 SettingsManager]: * Use SBE=true
[2019-08-08 11:46:41,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-08-08 11:46:41,265 INFO L138 SettingsManager]: * sizeof long=4
[2019-08-08 11:46:41,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-08-08 11:46:41,265 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-08-08 11:46:41,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-08-08 11:46:41,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-08-08 11:46:41,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-08-08 11:46:41,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-08-08 11:46:41,268 INFO L138 SettingsManager]: * sizeof long double=12
[2019-08-08 11:46:41,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-08-08 11:46:41,268 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-08-08 11:46:41,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-08-08 11:46:41,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-08-08 11:46:41,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-08-08 11:46:41,269 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-08-08 11:46:41,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-08-08 11:46:41,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-08-08 11:46:41,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-08-08 11:46:41,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-08-08 11:46:41,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-08-08 11:46:41,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-08-08 11:46:41,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-08-08 11:46:41,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-08-08 11:46:41,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-08-08 11:46:41,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-08 11:46:41,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-08 11:46:41,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-08 11:46:41,324 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-08-08 11:46:41,325 INFO L275 PluginConnector]: CDTParser initialized
[2019-08-08 11:46:41,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c
[2019-08-08 11:46:41,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ea182de/96886d9025fd4544948c5a9ec3403677/FLAG25446f8f5
[2019-08-08 11:46:41,858 INFO L306 CDTParser]: Found 1 translation units.
[2019-08-08 11:46:41,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c
[2019-08-08 11:46:41,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ea182de/96886d9025fd4544948c5a9ec3403677/FLAG25446f8f5
[2019-08-08 11:46:42,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3ea182de/96886d9025fd4544948c5a9ec3403677
[2019-08-08 11:46:42,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-08 11:46:42,233 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-08-08 11:46:42,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-08-08 11:46:42,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-08-08 11:46:42,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-08-08 11:46:42,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a468765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42, skipping insertion in model container
[2019-08-08 11:46:42,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,251 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-08-08 11:46:42,275 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-08-08 11:46:42,474 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-08-08 11:46:42,479 INFO L188 MainTranslator]: Completed pre-run
[2019-08-08 11:46:42,501 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-08-08 11:46:42,517 INFO L192 MainTranslator]: Completed translation
[2019-08-08 11:46:42,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42 WrapperNode
[2019-08-08 11:46:42,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-08-08 11:46:42,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-08 11:46:42,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-08 11:46:42,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-08-08 11:46:42,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-08 11:46:42,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-08 11:46:42,549 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-08-08 11:46:42,549 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-08-08 11:46:42,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:42" (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
[2019-08-08 11:46:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-08-08 11:46:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-08 11:46:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-08-08 11:46:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-08 11:46:42,968 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-08 11:46:42,969 INFO L283 CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-08 11:46:42,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:42 BoogieIcfgContainer
[2019-08-08 11:46:42,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-08 11:46:42,971 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-08 11:46:42,971 INFO L271 PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-08 11:46:42,971 INFO L275 PluginConnector]: Symbolic Interpretation initialized
[2019-08-08 11:46:42,972 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:42" (1/1) ...
[2019-08-08 11:46:42,983 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-08 11:46:42,986 INFO L155 IcfgInterpreter]: Building call graph
[2019-08-08 11:46:42,992 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-08-08 11:46:42,999 INFO L165 IcfgInterpreter]: Starting interpretation
[2019-08-08 11:46:43,001 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1
[2019-08-08 11:46:43,071 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 12
[2019-08-08 11:46:43,147 INFO L169 IcfgInterpreter]: Interpretation finished
[2019-08-08 11:46:43,147 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-08 11:46:43,149 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 37#(and (= (+ main_~main____CPAchecker_TMP_0~1 1) main_~main__y~0) (< main_~main__x~0 main_~main____CPAchecker_TMP_0~1) (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~1) (not (< main_~main__x~0 0)))
[2019-08-08 11:46:43,150 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-08 11:46:43,156 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-08 11:46:43,159 INFO L168 Benchmark]: Toolchain (without parser) took 927.56 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.5 MB in the beginning and 158.9 MB in the end (delta: -70.4 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2019-08-08 11:46:43,160 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 133.7 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-08-08 11:46:43,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.54 ms. Allocated memory is still 133.7 MB. Free memory was 88.2 MB in the beginning and 78.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2019-08-08 11:46:43,162 INFO L168 Benchmark]: Boogie Preprocessor took 29.81 ms. Allocated memory is still 133.7 MB. Free memory was 78.4 MB in the beginning and 76.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB.
[2019-08-08 11:46:43,163 INFO L168 Benchmark]: RCFGBuilder took 422.20 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 76.8 MB in the beginning and 166.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB.
[2019-08-08 11:46:43,164 INFO L168 Benchmark]: Symbolic Interpretation took 185.68 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 158.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB.
[2019-08-08 11:46:43,168 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
- UnprovableResult [Line: 52]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: Interpreter reached this location of interest. Location might be reachable..
Possible FailurePath:
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46 ms. Allocated memory is still 133.7 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 283.54 ms. Allocated memory is still 133.7 MB. Free memory was 88.2 MB in the beginning and 78.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 29.81 ms. Allocated memory is still 133.7 MB. Free memory was 78.4 MB in the beginning and 76.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 422.20 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 76.8 MB in the beginning and 166.0 MB in the end (delta: -89.2 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB.
* Symbolic Interpretation took 185.68 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 158.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...