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_z3.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test10_false-valid-memtrack_true-termination.i
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:46:22,247 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:46:22,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:46:22,261 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:46:22,261 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:46:22,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:46:22,262 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:46:22,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:46:22,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:46:22,266 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:46:22,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:46:22,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:46:22,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:46:22,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:46:22,269 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:46:22,270 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:46:22,272 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:46:22,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:46:22,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:46:22,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:46:22,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:46:22,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:46:22,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:46:22,277 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:46:22,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:46:22,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:46:22,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:46:22,280 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:46:22,280 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 04:46:22,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 04:46:22,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:46:22,280 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf
[2018-02-04 04:46:22,289 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:46:22,289 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:46:22,290 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:46:22,291 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:46:22,291 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:46:22,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:46:22,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:46:22,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:46:22,293 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2018-02-04 04:46:22,293 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode
[2018-02-04 04:46:22,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:46:22,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:46:22,326 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:46:22,329 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:46:22,330 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:46:22,330 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:46:22,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test10_false-valid-memtrack_true-termination.i
[2018-02-04 04:46:22,463 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:46:22,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:46:22,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:46:22,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:46:22,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:46:22,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f13972f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22, skipping insertion in model container
[2018-02-04 04:46:22,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,481 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:46:22,514 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:46:22,600 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:46:22,613 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:46:22,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22 WrapperNode
[2018-02-04 04:46:22,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:46:22,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:46:22,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:46:22,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:46:22,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (1/1) ...
[2018-02-04 04:46:22,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:46:22,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:46:22,648 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:46:22,649 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:46:22,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (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 04:46:22,688 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:46:22,688 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:46:22,688 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2018-02-04 04:46:22,689 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_10
[2018-02-04 04:46:22,689 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point
[2018-02-04 04:46:22,689 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:46:22,689 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-02-04 04:46:22,689 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-02-04 04:46:22,689 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:46:22,689 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:46:22,689 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_10
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:46:22,690 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:46:22,691 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:46:22,889 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:46:22,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:46:22 BoogieIcfgContainer
[2018-02-04 04:46:22,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:46:22,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:46:22,890 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:46:22,892 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:46:22,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:46:22" (1/3) ...
[2018-02-04 04:46:22,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71da9ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:46:22, skipping insertion in model container
[2018-02-04 04:46:22,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:22" (2/3) ...
[2018-02-04 04:46:22,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71da9ba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:46:22, skipping insertion in model container
[2018-02-04 04:46:22,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:46:22" (3/3) ...
[2018-02-04 04:46:22,894 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test10_false-valid-memtrack_true-termination.i
[2018-02-04 04:46:22,899 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:46:22,903 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations.
[2018-02-04 04:46:22,926 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:46:22,926 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:46:22,926 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2018-02-04 04:46:22,926 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL
[2018-02-04 04:46:22,926 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:46:22,927 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:46:22,927 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:46:22,927 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:46:22,927 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:46:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states.
[2018-02-04 04:46:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2018-02-04 04:46:22,944 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:46:22,945 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:46:22,945 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]===
[2018-02-04 04:46:22,948 INFO L82 PathProgramCache]: Analyzing trace with hash 178224559, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:46:22,956 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:46:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,055 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 04:46:23,079 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:46:23,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-04 04:46:23,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:46:23,081 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 04:46:23,081 INFO L182 omatonBuilderFactory]: Interpolants [99#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 84#true, 100#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)), 85#false, 89#(= |#valid| |old(#valid)|), 105#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|))]
[2018-02-04 04:46:23,081 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 04:46:23,082 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-02-04 04:46:23,093 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-02-04 04:46:23,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2018-02-04 04:46:23,095 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 6 states.
[2018-02-04 04:46:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:46:23,467 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions.
[2018-02-04 04:46:23,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:46:23,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16
[2018-02-04 04:46:23,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:46:23,477 INFO L225 Difference]: With dead ends: 138
[2018-02-04 04:46:23,477 INFO L226 Difference]: Without dead ends: 131
[2018-02-04 04:46:23,478 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56
[2018-02-04 04:46:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2018-02-04 04:46:23,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 82.
[2018-02-04 04:46:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states.
[2018-02-04 04:46:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions.
[2018-02-04 04:46:23,553 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 16
[2018-02-04 04:46:23,553 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:46:23,553 INFO L432 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions.
[2018-02-04 04:46:23,554 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-02-04 04:46:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions.
[2018-02-04 04:46:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-02-04 04:46:23,555 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:46:23,555 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:46:23,555 INFO L371 AbstractCegarLoop]: === Iteration 2 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]===
[2018-02-04 04:46:23,556 INFO L82 PathProgramCache]: Analyzing trace with hash 892424113, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:46:23,558 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:46:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:23,640 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 04:46:23,668 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:46:23,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2018-02-04 04:46:23,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:46:23,669 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 04:46:23,670 INFO L182 omatonBuilderFactory]: Interpolants [354#(not (= 0 |entry_point_#t~ret6.base|)), 355#(not (= 0 entry_point_~a10~0.base)), 356#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 357#(not (= 0 |ldv_malloc_#t~malloc1.base|)), 358#(not (= 0 |ldv_malloc_#res.base|)), 330#true, 346#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 331#false, 347#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))]
[2018-02-04 04:46:23,670 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 04:46:23,671 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-04 04:46:23,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-04 04:46:23,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2018-02-04 04:46:23,672 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand 9 states.
[2018-02-04 04:46:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:46:24,092 INFO L93 Difference]: Finished difference Result 176 states and 199 transitions.
[2018-02-04 04:46:24,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-02-04 04:46:24,092 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18
[2018-02-04 04:46:24,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:46:24,094 INFO L225 Difference]: With dead ends: 176
[2018-02-04 04:46:24,094 INFO L226 Difference]: Without dead ends: 176
[2018-02-04 04:46:24,095 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156
[2018-02-04 04:46:24,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states.
[2018-02-04 04:46:24,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 78.
[2018-02-04 04:46:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states.
[2018-02-04 04:46:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions.
[2018-02-04 04:46:24,103 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 18
[2018-02-04 04:46:24,103 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:46:24,103 INFO L432 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions.
[2018-02-04 04:46:24,103 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-04 04:46:24,103 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions.
[2018-02-04 04:46:24,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-02-04 04:46:24,104 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:46:24,104 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:46:24,104 INFO L371 AbstractCegarLoop]: === Iteration 3 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]===
[2018-02-04 04:46:24,104 INFO L82 PathProgramCache]: Analyzing trace with hash 2038882856, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:46:24,108 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:46:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-02-04 04:46:24,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-04 04:46:24,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7
[2018-02-04 04:46:24,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:46:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-02-04 04:46:24,175 INFO L182 omatonBuilderFactory]: Interpolants [631#(and (= 0 |entry_point_#t~ret6.base|) (= 0 |entry_point_#t~ret6.offset|)), 632#(and (= entry_point_~a10~0.base 0) (= entry_point_~a10~0.offset 0)), 637#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 622#true, 638#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 623#false, 639#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|))]
[2018-02-04 04:46:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-02-04 04:46:24,176 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-02-04 04:46:24,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-02-04 04:46:24,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2018-02-04 04:46:24,176 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand 7 states.
[2018-02-04 04:46:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:46:24,297 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions.
[2018-02-04 04:46:24,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-02-04 04:46:24,298 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19
[2018-02-04 04:46:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:46:24,298 INFO L225 Difference]: With dead ends: 88
[2018-02-04 04:46:24,299 INFO L226 Difference]: Without dead ends: 86
[2018-02-04 04:46:24,299 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110
[2018-02-04 04:46:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2018-02-04 04:46:24,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 80.
[2018-02-04 04:46:24,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states.
[2018-02-04 04:46:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions.
[2018-02-04 04:46:24,304 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 19
[2018-02-04 04:46:24,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:46:24,304 INFO L432 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions.
[2018-02-04 04:46:24,304 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-02-04 04:46:24,304 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions.
[2018-02-04 04:46:24,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-02-04 04:46:24,305 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:46:24,305 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:46:24,305 INFO L371 AbstractCegarLoop]: === Iteration 4 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]===
[2018-02-04 04:46:24,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1489811686, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:46:24,308 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:46:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,316 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
[2018-02-04 04:46:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,338 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
[2018-02-04 04:46:24,340 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:46:24,340 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:46:24,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-02-04 04:46:24,358 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:46:24,359 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:46:24,360 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-02-04 04:46:24,365 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:46:24,365 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:46:24,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-02-04 04:46:24,367 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:46:24,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:46:24,368 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5
[2018-02-04 04:46:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-02-04 04:46:24,419 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2018-02-04 04:46:24,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2018-02-04 04:46:24,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:46:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-02-04 04:46:24,420 INFO L182 omatonBuilderFactory]: Interpolants [817#true, 818#false, 834#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 835#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 836#(= 1 (select |#valid| |ldv_malloc_#t~malloc1.base|)), 837#(= 1 (select |#valid| |ldv_malloc_#res.base|)), 838#(= |#valid| |old(#valid)|), 828#(= 1 (select |#valid| |entry_point_#t~ret6.base|)), 829#(= 1 (select |#valid| entry_point_~a10~0.base))]
[2018-02-04 04:46:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2018-02-04 04:46:24,420 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-04 04:46:24,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-04 04:46:24,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2018-02-04 04:46:24,421 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 9 states.
[2018-02-04 04:46:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:46:24,655 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions.
[2018-02-04 04:46:24,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2018-02-04 04:46:24,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21
[2018-02-04 04:46:24,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:46:24,656 INFO L225 Difference]: With dead ends: 98
[2018-02-04 04:46:24,656 INFO L226 Difference]: Without dead ends: 98
[2018-02-04 04:46:24,656 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2018-02-04 04:46:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2018-02-04 04:46:24,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 89.
[2018-02-04 04:46:24,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states.
[2018-02-04 04:46:24,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 105 transitions.
[2018-02-04 04:46:24,661 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 105 transitions. Word has length 21
[2018-02-04 04:46:24,662 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:46:24,662 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 105 transitions.
[2018-02-04 04:46:24,662 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-04 04:46:24,662 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions.
[2018-02-04 04:46:24,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-02-04 04:46:24,663 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:46:24,663 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:46:24,663 INFO L371 AbstractCegarLoop]: === Iteration 5 === [alloc_10Err5RequiresViolation, alloc_10Err2RequiresViolation, alloc_10Err3RequiresViolation, alloc_10Err4RequiresViolation, alloc_10Err1RequiresViolation, alloc_10Err0RequiresViolation, mainErr0EnsuresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr23RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr21RequiresViolation, entry_pointErr22RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr20RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation]===
[2018-02-04 04:46:24,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1489811687, now seen corresponding path program 1 times
No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:46:24,667 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:46:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:46:24,692 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
Unsupported proof rule: (let ((a!1 (= (+ 0
(* (- 1)
(select |old(#length)_15| |ldv_malloc_#t~malloc1.base_9|)))
(* (- 1)
(select |old(#length)_15| |ldv_malloc_#t~malloc1.base_9|)))))
(rewrite a!1))
[2018-02-04 04:46:24,693 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 120 column 542: theory not supported by interpolation or bad proof
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283)
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.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196)
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.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131)
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 04:46:24,695 INFO L168 Benchmark]: Toolchain (without parser) took 2232.08 ms. Allocated memory was 399.5 MB in the beginning and 633.3 MB in the end (delta: 233.8 MB). Free memory was 353.5 MB in the beginning and 587.3 MB in the end (delta: -233.8 MB). Peak memory consumption was 59.1 kB. Max. memory is 5.3 GB.
[2018-02-04 04:46:24,697 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 399.5 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:46:24,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.91 ms. Allocated memory is still 399.5 MB. Free memory was 353.5 MB in the beginning and 340.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB.
[2018-02-04 04:46:24,697 INFO L168 Benchmark]: Boogie Preprocessor took 27.46 ms. Allocated memory is still 399.5 MB. Free memory was 340.3 MB in the beginning and 339.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:46:24,698 INFO L168 Benchmark]: RCFGBuilder took 241.17 ms. Allocated memory is still 399.5 MB. Free memory was 339.0 MB in the beginning and 313.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB.
[2018-02-04 04:46:24,698 INFO L168 Benchmark]: TraceAbstraction took 1805.09 ms. Allocated memory was 399.5 MB in the beginning and 633.3 MB in the end (delta: 233.8 MB). Free memory was 313.8 MB in the beginning and 587.3 MB in the end (delta: -273.5 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:46:24,700 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.11 ms. Allocated memory is still 399.5 MB. Free memory is still 360.2 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 155.91 ms. Allocated memory is still 399.5 MB. Free memory was 353.5 MB in the beginning and 340.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 27.46 ms. Allocated memory is still 399.5 MB. Free memory was 340.3 MB in the beginning and 339.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 241.17 ms. Allocated memory is still 399.5 MB. Free memory was 339.0 MB in the beginning and 313.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 1805.09 ms. Allocated memory was 399.5 MB in the beginning and 633.3 MB in the end (delta: 233.8 MB). Free memory was 313.8 MB in the beginning and 587.3 MB in the end (delta: -273.5 MB). There was no memory consumed. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: line 120 column 542: theory not supported by interpolation or bad proof
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 120 column 542: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420)
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/memleaks_test10_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-46-24-708.csv
Received shutdown request...