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/memsafety/test-0232_false-valid-memtrack.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:08:25,984 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:08:25,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:08:25,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:08:25,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:08:25,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:08:25,999 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:08:26,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:08:26,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:08:26,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:08:26,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:08:26,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:08:26,004 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:08:26,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:08:26,005 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:08:26,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:08:26,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:08:26,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:08:26,011 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:08:26,012 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:08:26,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:08:26,014 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:08:26,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:08:26,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:08:26,015 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:08:26,016 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:08:26,016 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:08:26,017 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:08:26,017 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 04:08:26,017 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 04:08:26,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:08:26,018 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 04:08:26,027 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:08:26,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:08:26,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:08:26,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:08:26,028 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:08:26,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:08:26,029 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:08:26,030 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:08:26,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:08:26,030 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:08:26,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:08:26,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:08:26,030 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:08:26,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:08:26,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:08:26,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:08:26,031 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-04 04:08:26,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-04 04:08:26,031 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL
[2018-02-04 04:08:26,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:08:26,068 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:08:26,071 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:08:26,072 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:08:26,073 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:08:26,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0232_false-valid-memtrack.i
[2018-02-04 04:08:26,221 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:08:26,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:08:26,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:08:26,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:08:26,230 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:08:26,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca510de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26, skipping insertion in model container
[2018-02-04 04:08:26,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,249 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:08:26,279 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:08:26,364 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:08:26,376 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:08:26,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26 WrapperNode
[2018-02-04 04:08:26,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:08:26,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:08:26,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:08:26,381 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:08:26,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (1/1) ...
[2018-02-04 04:08:26,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:08:26,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:08:26,408 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:08:26,408 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:08:26,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (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 04:08:26,441 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:08:26,442 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:08:26,442 INFO L136 BoogieDeclarations]: Found implementation of procedure append
[2018-02-04 04:08:26,442 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:08:26,442 INFO L128 BoogieDeclarations]: Found specification of procedure append
[2018-02-04 04:08:26,443 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:08:26,443 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:08:26,443 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:08:26,718 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:08:26,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:08:26 BoogieIcfgContainer
[2018-02-04 04:08:26,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:08:26,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:08:26,720 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:08:26,722 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:08:26,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:08:26" (1/3) ...
[2018-02-04 04:08:26,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c9322e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:08:26, skipping insertion in model container
[2018-02-04 04:08:26,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:08:26" (2/3) ...
[2018-02-04 04:08:26,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c9322e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:08:26, skipping insertion in model container
[2018-02-04 04:08:26,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:08:26" (3/3) ...
[2018-02-04 04:08:26,724 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0232_false-valid-memtrack.i
[2018-02-04 04:08:26,731 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:08:26,736 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 41 error locations.
[2018-02-04 04:08:26,765 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:08:26,765 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:08:26,765 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-04 04:08:26,765 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-04 04:08:26,765 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:08:26,766 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:08:26,766 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:08:26,766 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:08:26,766 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:08:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states.
[2018-02-04 04:08:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2018-02-04 04:08:26,787 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:08:26,787 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:08:26,788 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, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:08:26,790 INFO L82 PathProgramCache]: Analyzing trace with hash -758648706, now seen corresponding path program 1 times
[2018-02-04 04:08:26,791 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:08:26,792 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:08:26,820 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:08:26,820 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:08:26,820 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:08:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:08:26,852 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:08:26,891 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 04:08:26,893 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:08:26,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-04 04:08:26,895 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-04 04:08:26,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-04 04:08:26,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 04:08:26,905 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states.
[2018-02-04 04:08:27,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:08:27,024 INFO L93 Difference]: Finished difference Result 92 states and 96 transitions.
[2018-02-04 04:08:27,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-02-04 04:08:27,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2018-02-04 04:08:27,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:08:27,080 INFO L225 Difference]: With dead ends: 92
[2018-02-04 04:08:27,080 INFO L226 Difference]: Without dead ends: 89
[2018-02-04 04:08:27,083 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 04:08:27,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2018-02-04 04:08:27,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87.
[2018-02-04 04:08:27,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states.
[2018-02-04 04:08:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions.
[2018-02-04 04:08:27,115 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 7
[2018-02-04 04:08:27,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:08:27,115 INFO L432 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions.
[2018-02-04 04:08:27,115 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-04 04:08:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions.
[2018-02-04 04:08:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2018-02-04 04:08:27,116 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:08:27,116 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:08:27,116 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, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:08:27,116 INFO L82 PathProgramCache]: Analyzing trace with hash -758648705, now seen corresponding path program 1 times
[2018-02-04 04:08:27,116 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:08:27,116 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:08:27,117 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:08:27,117 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:08:27,118 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:08:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:08:27,128 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:08:27,159 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 04:08:27,159 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:08:27,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-04 04:08:27,161 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-04 04:08:27,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-04 04:08:27,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 04:08:27,161 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand 3 states.
[2018-02-04 04:08:27,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:08:27,233 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions.
[2018-02-04 04:08:27,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-02-04 04:08:27,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7
[2018-02-04 04:08:27,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:08:27,235 INFO L225 Difference]: With dead ends: 88
[2018-02-04 04:08:27,235 INFO L226 Difference]: Without dead ends: 88
[2018-02-04 04:08:27,236 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 04:08:27,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2018-02-04 04:08:27,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86.
[2018-02-04 04:08:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states.
[2018-02-04 04:08:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 89 transitions.
[2018-02-04 04:08:27,245 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 89 transitions. Word has length 7
[2018-02-04 04:08:27,245 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:08:27,245 INFO L432 AbstractCegarLoop]: Abstraction has 86 states and 89 transitions.
[2018-02-04 04:08:27,246 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-04 04:08:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 89 transitions.
[2018-02-04 04:08:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-02-04 04:08:27,246 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:08:27,246 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:08:27,246 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, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]===
[2018-02-04 04:08:27,249 INFO L82 PathProgramCache]: Analyzing trace with hash 689934579, now seen corresponding path program 1 times
[2018-02-04 04:08:27,249 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:08:27,249 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:08:27,250 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:08:27,250 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:08:27,250 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:08:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:08:27,283 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:08:27,290 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 04:08:27,300 INFO L168 Benchmark]: Toolchain (without parser) took 1078.18 ms. Allocated memory was 399.5 MB in the beginning and 602.4 MB in the end (delta: 202.9 MB). Free memory was 356.4 MB in the beginning and 552.7 MB in the end (delta: -196.3 MB). Peak memory consumption was 6.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:08:27,301 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 399.5 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:08:27,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.28 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 345.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:08:27,302 INFO L168 Benchmark]: Boogie Preprocessor took 26.79 ms. Allocated memory is still 399.5 MB. Free memory was 345.8 MB in the beginning and 344.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:08:27,302 INFO L168 Benchmark]: RCFGBuilder took 311.09 ms. Allocated memory is still 399.5 MB. Free memory was 344.5 MB in the beginning and 315.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:08:27,303 INFO L168 Benchmark]: TraceAbstraction took 579.72 ms. Allocated memory was 399.5 MB in the beginning and 602.4 MB in the end (delta: 202.9 MB). Free memory was 315.9 MB in the beginning and 552.7 MB in the end (delta: -236.8 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:08:27,305 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17 ms. Allocated memory is still 399.5 MB. Free memory is still 363.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 157.28 ms. Allocated memory is still 399.5 MB. Free memory was 356.4 MB in the beginning and 345.8 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 26.79 ms. Allocated memory is still 399.5 MB. Free memory was 345.8 MB in the beginning and 344.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 311.09 ms. Allocated memory is still 399.5 MB. Free memory was 344.5 MB in the beginning and 315.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 579.72 ms. Allocated memory was 399.5 MB in the beginning and 602.4 MB in the end (delta: 202.9 MB). Free memory was 315.9 MB in the beginning and 552.7 MB in the end (delta: -236.8 MB). There was no memory consumed. 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/test-0232_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-08-27-312.csv
Received shutdown request...