/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/reducercommutativity/rangesum.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-3af5e1f
[2020-09-04 17:43:15,191 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-04 17:43:15,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-04 17:43:15,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-04 17:43:15,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-04 17:43:15,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-04 17:43:15,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-09-04 17:43:15,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
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[2020-09-04 17:43:15,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-04 17:43:15,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-04 17:43:15,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-04 17:43:15,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-04 17:43:15,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-04 17:43:15,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-04 17:43:15,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-04 17:43:15,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-04 17:43:15,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-04 17:43:15,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-04 17:43:15,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-04 17:43:15,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2020-09-04 17:43:15,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-09-04 17:43:15,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2020-09-04 17:43:15,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-04 17:43:15,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-09-04 17:43:15,306 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-04 17:43:15,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-04 17:43:15,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-04 17:43:15,308 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-04 17:43:15,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-04 17:43:15,308 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-04 17:43:15,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-04 17:43:15,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-04 17:43:15,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-04 17:43:15,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-04 17:43:15,309 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-04 17:43:15,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-04 17:43:15,310 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-04 17:43:15,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-04 17:43:15,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-04 17:43:15,310 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-09-04 17:43:15,311 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-04 17:43:15,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-04 17:43:15,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-04 17:43:15,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-04 17:43:15,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-09-04 17:43:15,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-04 17:43:15,312 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-09-04 17:43:15,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-04 17:43:15,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-04 17:43:15,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-04 17:43:15,802 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-04 17:43:15,803 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-04 17:43:15,804 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/rangesum.i
[2020-09-04 17:43:15,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7a79b9d2/5fdf9945ce414f48979a280dd0e1f458/FLAG1090edc4e
[2020-09-04 17:43:16,410 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-04 17:43:16,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/reducercommutativity/rangesum.i
[2020-09-04 17:43:16,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7a79b9d2/5fdf9945ce414f48979a280dd0e1f458/FLAG1090edc4e
[2020-09-04 17:43:16,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f7a79b9d2/5fdf9945ce414f48979a280dd0e1f458
[2020-09-04 17:43:16,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-04 17:43:16,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-04 17:43:16,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-04 17:43:16,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-04 17:43:16,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-04 17:43:16,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:43:16" (1/1) ...
[2020-09-04 17:43:16,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6833dace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:16, skipping insertion in model container
[2020-09-04 17:43:16,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:43:16" (1/1) ...
[2020-09-04 17:43:16,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-04 17:43:16,801 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-04 17:43:17,085 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 17:43:17,097 INFO L203 MainTranslator]: Completed pre-run
[2020-09-04 17:43:17,127 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-04 17:43:17,145 INFO L208 MainTranslator]: Completed translation
[2020-09-04 17:43:17,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17 WrapperNode
[2020-09-04 17:43:17,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-04 17:43:17,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-04 17:43:17,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-04 17:43:17,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-04 17:43:17,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
[2020-09-04 17:43:17,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-04 17:43:17,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-04 17:43:17,277 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-04 17:43:17,277 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-04 17:43:17,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/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
[2020-09-04 17:43:17,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-04 17:43:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-04 17:43:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet
[2020-09-04 17:43:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum
[2020-09-04 17:43:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-04 17:43:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-04 17:43:17,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-04 17:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet
[2020-09-04 17:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-04 17:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum
[2020-09-04 17:43:17,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-04 17:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-04 17:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-04 17:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-04 17:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-04 17:43:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-04 17:43:17,780 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-04 17:43:17,780 INFO L295 CfgBuilder]: Removed 3 assume(true) statements.
[2020-09-04 17:43:17,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:43:17 BoogieIcfgContainer
[2020-09-04 17:43:17,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-04 17:43:17,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-04 17:43:17,789 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-04 17:43:17,792 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-04 17:43:17,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:43:16" (1/3) ...
[2020-09-04 17:43:17,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fce3e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:43:17, skipping insertion in model container
[2020-09-04 17:43:17,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:43:17" (2/3) ...
[2020-09-04 17:43:17,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fce3e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:43:17, skipping insertion in model container
[2020-09-04 17:43:17,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:43:17" (3/3) ...
[2020-09-04 17:43:17,797 INFO L109 eAbstractionObserver]: Analyzing ICFG rangesum.i
[2020-09-04 17:43:17,809 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-04 17:43:17,819 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-04 17:43:17,841 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-04 17:43:17,866 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-04 17:43:17,866 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-04 17:43:17,866 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-09-04 17:43:17,867 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-04 17:43:17,867 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-04 17:43:17,867 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-04 17:43:17,867 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-04 17:43:17,867 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-04 17:43:17,887 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states.
[2020-09-04 17:43:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2020-09-04 17:43:17,902 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-04 17:43:17,903 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-04 17:43:17,904 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-04 17:43:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-04 17:43:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash -657395557, now seen corresponding path program 1 times
[2020-09-04 17:43:17,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-04 17:43:17,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502079137]
[2020-09-04 17:43:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-04 17:43:17,994 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-09-04 17:43:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 17:43:18,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-04 17:43:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 17:43:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2020-09-04 17:43:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-04 17:43:18,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2020-09-04 17:43:18,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502079137]
[2020-09-04 17:43:18,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-04 17:43:18,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37
[2020-09-04 17:43:18,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150604469]
[2020-09-04 17:43:18,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states
[2020-09-04 17:43:18,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-04 17:43:18,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants.
[2020-09-04 17:43:18,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-09-04 17:43:18,377 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 37 states.
[2020-09-04 17:43:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2020-09-04 17:43:18,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-04 17:43:18,401 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: at least one of both input predicates is unknown: 94#true or 128#unknown
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$CoverageRelation.isCovered(PredicateUnifier.java:593)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.SdHoareTripleChecker$CheckHelper.check(SdHoareTripleChecker.java:151)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.SdHoareTripleChecker.checkCall(SdHoareTripleChecker.java:73)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkCall(EfficientHoareTripleChecker.java:72)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkCall(CachingHoareTripleChecker.java:124)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$CallSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:401)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:256)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.callSuccessors(AbstractInterpolantAutomaton.java:1)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.callSuccessors(TotalizeNwa.java:260)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.callSuccessors(ComplementDeterministicNwa.java:131)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:252)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.callSuccessors(ProductNwa.java:244)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addCallsAndSuccessors(NestedWordAutomatonReachableStates.java:1087)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.<init>(NestedWordAutomatonReachableStates.java:967)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.<init>(NestedWordAutomatonReachableStates.java:187)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137)
at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.<init>(Difference.java:90)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:672)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:471)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:127)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
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: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)
[2020-09-04 17:43:18,410 INFO L168 Benchmark]: Toolchain (without parser) took 1656.42 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 135.1 MB in the end (delta: -33.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB.
[2020-09-04 17:43:18,412 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-09-04 17:43:18,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.57 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 91.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB.
[2020-09-04 17:43:18,417 INFO L168 Benchmark]: Boogie Preprocessor took 130.16 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.2 MB in the beginning and 179.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB.
[2020-09-04 17:43:18,418 INFO L168 Benchmark]: RCFGBuilder took 510.78 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 156.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB.
[2020-09-04 17:43:18,419 INFO L168 Benchmark]: TraceAbstraction took 617.94 ms. Allocated memory is still 202.4 MB. Free memory was 156.0 MB in the beginning and 135.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB.
[2020-09-04 17:43:18,431 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 392.57 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 91.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 130.16 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.2 MB in the beginning and 179.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 510.78 ms. Allocated memory is still 202.4 MB. Free memory was 179.6 MB in the beginning and 156.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 617.94 ms. Allocated memory is still 202.4 MB. Free memory was 156.0 MB in the beginning and 135.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: at least one of both input predicates is unknown: 94#true or 128#unknown
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: at least one of both input predicates is unknown: 94#true or 128#unknown: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$CoverageRelation.isCovered(PredicateUnifier.java:593)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...