java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/list-properties/alternating_list_true-unreach-call_true-valid-memsafety.i
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:18:46,453 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:18:46,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:18:46,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:18:46,467 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:18:46,467 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:18:46,468 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:18:46,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:18:46,472 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:18:46,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:18:46,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:18:46,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:18:46,474 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:18:46,475 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:18:46,475 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:18:46,477 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:18:46,479 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:18:46,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:18:46,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:18:46,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:18:46,484 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:18:46,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:18:46,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:18:46,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:18:46,486 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:18:46,487 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:18:46,487 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:18:46,488 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:18:46,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 04:18:46,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 04:18:46,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:18:46,489 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf
[2018-02-04 04:18:46,499 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:18:46,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:18:46,501 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:18:46,501 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:18:46,501 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:18:46,501 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:18:46,501 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:18:46,502 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:18:46,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:18:46,503 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:18:46,503 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:18:46,503 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:18:46,503 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:18:46,503 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:18:46,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:18:46,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:18:46,504 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-04 04:18:46,504 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-04 04:18:46,504 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL
[2018-02-04 04:18:46,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:18:46,543 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:18:46,546 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:18:46,547 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:18:46,547 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:18:46,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/alternating_list_true-unreach-call_true-valid-memsafety.i
[2018-02-04 04:18:46,699 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:18:46,700 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:18:46,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:18:46,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:18:46,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:18:46,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11580fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46, skipping insertion in model container
[2018-02-04 04:18:46,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,726 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:18:46,756 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:18:46,860 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:18:46,873 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:18:46,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46 WrapperNode
[2018-02-04 04:18:46,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:18:46,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:18:46,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:18:46,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:18:46,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
[2018-02-04 04:18:46,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:18:46,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:18:46,909 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:18:46,909 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:18:46,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (1/1) ...
No working directory specified, using /home/ultimate/work/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
[2018-02-04 04:18:46,946 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:18:46,946 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:18:46,946 INFO L136 BoogieDeclarations]: Found implementation of procedure exit
[2018-02-04 04:18:46,946 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:18:46,946 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-04 04:18:46,946 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-04 04:18:46,946 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-02-04 04:18:46,946 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-02-04 04:18:46,946 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:18:46,946 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure exit
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:18:46,947 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:18:47,160 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:18:47,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:18:47 BoogieIcfgContainer
[2018-02-04 04:18:47,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:18:47,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:18:47,161 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:18:47,163 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:18:47,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:18:46" (1/3) ...
[2018-02-04 04:18:47,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b4a014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:18:47, skipping insertion in model container
[2018-02-04 04:18:47,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:18:46" (2/3) ...
[2018-02-04 04:18:47,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b4a014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:18:47, skipping insertion in model container
[2018-02-04 04:18:47,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:18:47" (3/3) ...
[2018-02-04 04:18:47,165 INFO L107 eAbstractionObserver]: Analyzing ICFG alternating_list_true-unreach-call_true-valid-memsafety.i
[2018-02-04 04:18:47,171 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:18:47,176 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations.
[2018-02-04 04:18:47,208 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:18:47,208 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:18:47,209 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-04 04:18:47,209 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-04 04:18:47,209 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:18:47,209 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:18:47,209 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:18:47,209 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:18:47,210 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:18:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states.
[2018-02-04 04:18:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2018-02-04 04:18:47,231 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:18:47,232 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:18:47,232 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr26EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]===
[2018-02-04 04:18:47,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1444354772, now seen corresponding path program 1 times
[2018-02-04 04:18:47,237 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:18:47,238 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:18:47,268 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,268 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:18:47,268 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:18:47,305 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:18:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:18:47,334 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:18:47,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-04 04:18:47,336 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-02-04 04:18:47,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-02-04 04:18:47,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-02-04 04:18:47,349 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states.
[2018-02-04 04:18:47,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:18:47,366 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions.
[2018-02-04 04:18:47,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-02-04 04:18:47,367 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12
[2018-02-04 04:18:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:18:47,374 INFO L225 Difference]: With dead ends: 81
[2018-02-04 04:18:47,374 INFO L226 Difference]: Without dead ends: 73
[2018-02-04 04:18:47,376 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-02-04 04:18:47,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2018-02-04 04:18:47,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2018-02-04 04:18:47,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states.
[2018-02-04 04:18:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions.
[2018-02-04 04:18:47,461 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 12
[2018-02-04 04:18:47,462 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:18:47,462 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions.
[2018-02-04 04:18:47,462 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-02-04 04:18:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions.
[2018-02-04 04:18:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-02-04 04:18:47,462 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:18:47,462 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:18:47,462 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr26EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]===
[2018-02-04 04:18:47,463 INFO L82 PathProgramCache]: Analyzing trace with hash 749299640, now seen corresponding path program 1 times
[2018-02-04 04:18:47,463 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:18:47,463 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:18:47,464 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,464 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:18:47,464 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:18:47,476 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:18:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:18:47,529 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:18:47,529 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 04:18:47,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:18:47,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:18:47,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-02-04 04:18:47,531 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand 5 states.
[2018-02-04 04:18:47,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:18:47,696 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions.
[2018-02-04 04:18:47,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-02-04 04:18:47,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2018-02-04 04:18:47,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:18:47,697 INFO L225 Difference]: With dead ends: 91
[2018-02-04 04:18:47,697 INFO L226 Difference]: Without dead ends: 91
[2018-02-04 04:18:47,698 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2018-02-04 04:18:47,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2018-02-04 04:18:47,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 77.
[2018-02-04 04:18:47,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states.
[2018-02-04 04:18:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions.
[2018-02-04 04:18:47,704 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 14
[2018-02-04 04:18:47,704 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:18:47,704 INFO L432 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions.
[2018-02-04 04:18:47,704 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:18:47,704 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions.
[2018-02-04 04:18:47,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-02-04 04:18:47,705 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:18:47,705 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:18:47,705 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr26EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]===
[2018-02-04 04:18:47,705 INFO L82 PathProgramCache]: Analyzing trace with hash 749299641, now seen corresponding path program 1 times
[2018-02-04 04:18:47,705 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:18:47,706 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:18:47,706 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,707 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:18:47,707 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:18:47,718 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:18:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:18:47,786 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:18:47,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 04:18:47,786 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:18:47,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:18:47,786 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-02-04 04:18:47,786 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 5 states.
[2018-02-04 04:18:47,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:18:47,904 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions.
[2018-02-04 04:18:47,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:18:47,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14
[2018-02-04 04:18:47,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:18:47,905 INFO L225 Difference]: With dead ends: 102
[2018-02-04 04:18:47,905 INFO L226 Difference]: Without dead ends: 102
[2018-02-04 04:18:47,906 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2018-02-04 04:18:47,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2018-02-04 04:18:47,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94.
[2018-02-04 04:18:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states.
[2018-02-04 04:18:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions.
[2018-02-04 04:18:47,912 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 14
[2018-02-04 04:18:47,912 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:18:47,913 INFO L432 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions.
[2018-02-04 04:18:47,913 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:18:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions.
[2018-02-04 04:18:47,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2018-02-04 04:18:47,914 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:18:47,914 INFO L351 BasicCegarLoop]: trace histogram [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]
[2018-02-04 04:18:47,914 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr26EnsuresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]===
[2018-02-04 04:18:47,914 INFO L82 PathProgramCache]: Analyzing trace with hash 129960215, now seen corresponding path program 1 times
[2018-02-04 04:18:47,914 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:18:47,914 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:18:47,915 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,915 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:18:47,916 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:18:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:18:47,934 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:18:47,938 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.UnsupportedOperationException: Unknown lemma type!
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:164)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:68)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:115)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119)
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:324)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2018-02-04 04:18:47,941 INFO L168 Benchmark]: Toolchain (without parser) took 1242.01 ms. Allocated memory was 402.1 MB in the beginning and 610.3 MB in the end (delta: 208.1 MB). Free memory was 356.2 MB in the beginning and 520.0 MB in the end (delta: -163.9 MB). Peak memory consumption was 44.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:18:47,942 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 402.1 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:18:47,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.03 ms. Allocated memory is still 402.1 MB. Free memory was 356.2 MB in the beginning and 345.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:18:47,943 INFO L168 Benchmark]: Boogie Preprocessor took 28.96 ms. Allocated memory is still 402.1 MB. Free memory was 345.6 MB in the beginning and 344.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:18:47,943 INFO L168 Benchmark]: RCFGBuilder took 252.01 ms. Allocated memory is still 402.1 MB. Free memory was 342.9 MB in the beginning and 317.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:18:47,943 INFO L168 Benchmark]: TraceAbstraction took 780.05 ms. Allocated memory was 402.1 MB in the beginning and 610.3 MB in the end (delta: 208.1 MB). Free memory was 317.6 MB in the beginning and 520.0 MB in the end (delta: -202.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 5.3 GB.
[2018-02-04 04:18:47,945 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 402.1 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 178.03 ms. Allocated memory is still 402.1 MB. Free memory was 356.2 MB in the beginning and 345.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 28.96 ms. Allocated memory is still 402.1 MB. Free memory was 345.6 MB in the beginning and 344.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 252.01 ms. Allocated memory is still 402.1 MB. Free memory was 342.9 MB in the beginning and 317.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 780.05 ms. Allocated memory was 402.1 MB in the beginning and 610.3 MB in the end (delta: 208.1 MB). Free memory was 317.6 MB in the beginning and 520.0 MB in the end (delta: -202.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type!
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/alternating_list_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-18-47-951.csv
Received shutdown request...