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/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:41:07,939 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:41:07,940 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:41:07,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:41:07,952 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:41:07,953 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:41:07,954 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:41:07,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:41:07,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:41:07,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:41:07,958 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:41:07,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:41:07,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:41:07,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:41:07,961 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:41:07,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:41:07,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:41:07,966 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:41:07,967 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:41:07,968 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:41:07,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:41:07,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:41:07,970 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:41:07,971 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:41:07,972 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:41:07,973 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:41:07,973 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:41:07,974 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:41:07,974 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 04:41:07,974 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 04:41:07,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:41:07,975 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 04:41:07,985 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:41:07,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:41:07,986 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:41:07,987 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:41:07,987 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:41:07,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:41:07,988 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:41:07,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:41:07,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:41:07,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation
[2018-02-04 04:41:07,989 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode
[2018-02-04 04:41:07,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-02-04 04:41:08,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:41:08,023 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:41:08,026 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:41:08,027 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:41:08,027 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:41:08,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i
[2018-02-04 04:41:08,139 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:41:08,140 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:41:08,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:41:08,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:41:08,146 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:41:08,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac4fef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08, skipping insertion in model container
[2018-02-04 04:41:08,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,161 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:41:08,202 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:41:08,291 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:41:08,304 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:41:08,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08 WrapperNode
[2018-02-04 04:41:08,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:41:08,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:41:08,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:41:08,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:41:08,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (1/1) ...
[2018-02-04 04:41:08,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:41:08,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:41:08,336 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:41:08,336 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:41:08,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (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 04:41:08,369 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:41:08,370 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:41:08,370 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:41:08,370 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-04 04:41:08,371 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:41:08,371 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:41:08,371 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:41:08,371 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:41:08,495 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:41:08,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:41:08 BoogieIcfgContainer
[2018-02-04 04:41:08,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:41:08,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:41:08,496 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:41:08,498 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:41:08,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:41:08" (1/3) ...
[2018-02-04 04:41:08,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333cf0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:41:08, skipping insertion in model container
[2018-02-04 04:41:08,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:41:08" (2/3) ...
[2018-02-04 04:41:08,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333cf0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:41:08, skipping insertion in model container
[2018-02-04 04:41:08,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:41:08" (3/3) ...
[2018-02-04 04:41:08,501 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_true-valid-memsafety_true-termination.i
[2018-02-04 04:41:08,506 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:41:08,511 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations.
[2018-02-04 04:41:08,539 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:41:08,539 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:41:08,539 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2018-02-04 04:41:08,539 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL
[2018-02-04 04:41:08,539 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:41:08,540 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:41:08,540 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:41:08,540 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:41:08,541 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:41:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states.
[2018-02-04 04:41:08,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-02-04 04:41:08,555 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:41:08,556 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:41:08,556 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]===
[2018-02-04 04:41:08,560 INFO L82 PathProgramCache]: Analyzing trace with hash 32614707, 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 04:41:08,572 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:41:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:08,593 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
[2018-02-04 04:41:08,602 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,602 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,603 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,603 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,633 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:41:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:08,682 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 04:41:08,702 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:41:08,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 04:41:08,703 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:41:08,703 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 04:41:08,704 INFO L182 omatonBuilderFactory]: Interpolants [48#(= 1 (select |#valid| |main_~#data~0.base|)), 49#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 42#true, 43#false, 47#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp))]
[2018-02-04 04:41:08,704 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 04:41:08,704 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:41:08,712 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:41:08,712 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20
[2018-02-04 04:41:08,714 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 5 states.
[2018-02-04 04:41:08,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:41:08,833 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions.
[2018-02-04 04:41:08,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:41:08,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8
[2018-02-04 04:41:08,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:41:08,842 INFO L225 Difference]: With dead ends: 33
[2018-02-04 04:41:08,843 INFO L226 Difference]: Without dead ends: 30
[2018-02-04 04:41:08,844 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30
[2018-02-04 04:41:08,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2018-02-04 04:41:08,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2018-02-04 04:41:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2018-02-04 04:41:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions.
[2018-02-04 04:41:08,873 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 8
[2018-02-04 04:41:08,873 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:41:08,873 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions.
[2018-02-04 04:41:08,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:41:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions.
[2018-02-04 04:41:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2018-02-04 04:41:08,874 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:41:08,874 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:41:08,874 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]===
[2018-02-04 04:41:08,874 INFO L82 PathProgramCache]: Analyzing trace with hash 32614708, 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 04:41:08,877 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:41:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:08,894 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
[2018-02-04 04:41:08,896 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,896 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,897 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,897 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,897 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,897 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:08,916 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 9 treesize of output 8
[2018-02-04 04:41:08,918 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:41:08,925 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:41:08,925 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:9
[2018-02-04 04:41:08,935 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int Int))) (! (and (= (store |c_#valid| %1 1) (store %0 %1 1)) (= (store |c_#length| %1 10) (store %2 %1 10))) :qid itp)) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:41:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:08,994 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 04:41:09,021 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:41:09,021 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-04 04:41:09,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:41:09,022 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 04:41:09,022 INFO L182 omatonBuilderFactory]: Interpolants [115#true, 116#false, 120#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int Int))) (! (and (= (store |#valid| %1 1) (store %0 %1 1)) (= (store |#length| %1 10) (store %2 %1 10))) :qid itp)) :qid itp)) :qid itp)), 121#(and (= 1 (select |#valid| |main_~#data~0.base|)) (= 0 |main_~#data~0.offset|) (= 10 (select |#length| |main_~#data~0.base|))), 122#(and (<= 0 |main_~#data~0.offset|) (<= (+ |main_~#data~0.offset| 4) (select |#length| |main_~#data~0.base|)) (= 10 (select |#length| |main_~#data~0.base|))), 123#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))]
[2018-02-04 04:41:09,022 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 04:41:09,023 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-02-04 04:41:09,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-02-04 04:41:09,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30
[2018-02-04 04:41:09,024 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 6 states.
[2018-02-04 04:41:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:41:09,174 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions.
[2018-02-04 04:41:09,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-02-04 04:41:09,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8
[2018-02-04 04:41:09,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:41:09,175 INFO L225 Difference]: With dead ends: 24
[2018-02-04 04:41:09,175 INFO L226 Difference]: Without dead ends: 24
[2018-02-04 04:41:09,176 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=4, NotChecked=8, Total=42
[2018-02-04 04:41:09,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2018-02-04 04:41:09,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2018-02-04 04:41:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2018-02-04 04:41:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions.
[2018-02-04 04:41:09,179 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 8
[2018-02-04 04:41:09,179 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:41:09,179 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions.
[2018-02-04 04:41:09,179 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-02-04 04:41:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions.
[2018-02-04 04:41:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-02-04 04:41:09,180 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:41:09,180 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:41:09,180 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]===
[2018-02-04 04:41:09,180 INFO L82 PathProgramCache]: Analyzing trace with hash 607540962, 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 04:41:09,184 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:41:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:09,200 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
[2018-02-04 04:41:09,202 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,202 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,203 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,203 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,210 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (let ((.cse0 (store (select |c_#memory_$Pointer$.offset| %2) 0 0))) (= (store %0 %1 .cse0) (store |c_#memory_$Pointer$.offset| %1 .cse0))) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:41:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:41:09,306 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:41:09,306 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-02-04 04:41:09,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:41:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:41:09,307 INFO L182 omatonBuilderFactory]: Interpolants [179#(exists ((%0 (Array Int (Array Int Int)))) (! (forall ((%1 Int) (%2 Int)) (! (= (store %0 %1 (store (select |#memory_$Pointer$.offset| %2) 0 0)) (store |#memory_$Pointer$.offset| %1 (store (select |#memory_$Pointer$.offset| %2) 0 0))) :qid itp)) :qid itp)), 180#(= 0 |main_~#data~0.offset|), 181#(and (= 0 (select (store (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset| |main_#t~malloc0.offset|) 0)) (= 0 |main_~#data~0.offset|)), 182#(and (= 0 |main_~#data~0.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 183#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0)) (= (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) 0))), 184#(= 0 |main_#t~mem7.offset|), 185#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 174#true, 175#false]
[2018-02-04 04:41:09,307 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 04:41:09,307 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-04 04:41:09,307 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-04 04:41:09,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=41, Unknown=1, NotChecked=12, Total=72
[2018-02-04 04:41:09,308 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 9 states.
[2018-02-04 04:41:09,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:41:09,412 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions.
[2018-02-04 04:41:09,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-02-04 04:41:09,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15
[2018-02-04 04:41:09,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:41:09,414 INFO L225 Difference]: With dead ends: 23
[2018-02-04 04:41:09,414 INFO L226 Difference]: Without dead ends: 23
[2018-02-04 04:41:09,414 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=77, Unknown=2, NotChecked=18, Total=132
[2018-02-04 04:41:09,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2018-02-04 04:41:09,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2018-02-04 04:41:09,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states.
[2018-02-04 04:41:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions.
[2018-02-04 04:41:09,417 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 15
[2018-02-04 04:41:09,417 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:41:09,417 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions.
[2018-02-04 04:41:09,417 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-04 04:41:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions.
[2018-02-04 04:41:09,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-02-04 04:41:09,418 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:41:09,418 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:41:09,418 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]===
[2018-02-04 04:41:09,418 INFO L82 PathProgramCache]: Analyzing trace with hash 607540963, 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 04:41:09,424 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:41:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:09,466 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
[2018-02-04 04:41:09,468 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,468 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,468 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,468 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,468 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,469 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,469 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,469 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,469 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,469 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,476 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (exists ((%3 (Array Int (Array Int Int)))) (! (forall ((%4 Int)) (! (= (store |c_#memory_$Pointer$.base| %4 (store (select |c_#memory_$Pointer$.base| %0) 0 %2)) (store %3 %4 (store %1 0 %2))) :qid itp)) :qid itp)) :qid itp)) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:41:09,477 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,477 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,477 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,477 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,477 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,478 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)]
[2018-02-04 04:41:09,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 17 treesize of output 16
[2018-02-04 04:41:09,481 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:41:09,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:41:09,485 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20
[2018-02-04 04:41:09,491 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int (Array Int Int)))) (! (let ((.cse0 (= |c_main_~#data~0.offset| 0))) (and (= (store %2 |c_main_~#data~0.base| (store %0 0 %1)) (store |c_#memory_$Pointer$.base| |c_main_~#data~0.base| (store (select |c_#memory_$Pointer$.base| |c_main_~#data~0.base|) 0 %1))) .cse0 (or (not .cse0) (= 0 |c_main_~#data~0.offset|)))) :qid itp)) :qid itp)) :qid itp)) is different from true
[2018-02-04 04:41:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:41:09,527 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:41:09,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-02-04 04:41:09,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state
[2018-02-04 04:41:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:41:09,527 INFO L182 omatonBuilderFactory]: Interpolants [243#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (exists ((%3 (Array Int (Array Int Int)))) (! (forall ((%4 Int)) (! (= (store |#memory_$Pointer$.base| %4 (store (select |#memory_$Pointer$.base| %0) 0 %2)) (store %3 %4 (store %1 0 %2))) :qid itp)) :qid itp)) :qid itp)) :qid itp)) :qid itp)), 244#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (exists ((%2 (Array Int (Array Int Int)))) (! (and (= (store %2 |main_~#data~0.base| (store %0 0 %1)) (store |#memory_$Pointer$.base| |main_~#data~0.base| (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0 %1))) (= |main_~#data~0.offset| 0) (or (not (= |main_~#data~0.offset| 0)) (= 0 |main_~#data~0.offset|))) :qid itp)) :qid itp)) :qid itp)), 245#(and (= 0 |main_~#data~0.offset|) (= 1 (select |#valid| |main_#t~malloc0.base|))), 246#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))) (= 0 |main_~#data~0.offset|)), 247#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))) (= (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) 0))), 248#(= 1 (select |#valid| |main_#t~mem7.base|)), 249#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 238#true, 239#false]
[2018-02-04 04:41:09,528 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 04:41:09,528 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-04 04:41:09,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-04 04:41:09,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=32, Unknown=2, NotChecked=22, Total=72
[2018-02-04 04:41:09,528 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 9 states.
[2018-02-04 04:41:09,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:41:09,611 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions.
[2018-02-04 04:41:09,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-02-04 04:41:09,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15
[2018-02-04 04:41:09,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:41:09,612 INFO L225 Difference]: With dead ends: 22
[2018-02-04 04:41:09,612 INFO L226 Difference]: Without dead ends: 22
[2018-02-04 04:41:09,613 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=63, Unknown=4, NotChecked=34, Total=132
[2018-02-04 04:41:09,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2018-02-04 04:41:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2018-02-04 04:41:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states.
[2018-02-04 04:41:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions.
[2018-02-04 04:41:09,615 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15
[2018-02-04 04:41:09,615 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:41:09,615 INFO L432 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions.
[2018-02-04 04:41:09,615 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-04 04:41:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions.
[2018-02-04 04:41:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-02-04 04:41:09,616 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:41:09,616 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:41:09,616 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]===
[2018-02-04 04:41:09,616 INFO L82 PathProgramCache]: Analyzing trace with hash -510727324, 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 04:41:09,619 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-04 04:41:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:41:09,719 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
WARNING: array quantifier
[2018-02-04 04:41:09,721 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int))
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.createTerm(Parser.java:802)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1304)
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 04:41:09,724 INFO L168 Benchmark]: Toolchain (without parser) took 1584.07 ms. Allocated memory was 401.1 MB in the beginning and 602.9 MB in the end (delta: 201.9 MB). Free memory was 359.1 MB in the beginning and 499.5 MB in the end (delta: -140.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:41:09,725 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:41:09,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.30 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 348.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:41:09,726 INFO L168 Benchmark]: Boogie Preprocessor took 22.80 ms. Allocated memory is still 401.1 MB. Free memory was 348.4 MB in the beginning and 345.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:41:09,726 INFO L168 Benchmark]: RCFGBuilder took 160.09 ms. Allocated memory is still 401.1 MB. Free memory was 345.7 MB in the beginning and 328.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:41:09,727 INFO L168 Benchmark]: TraceAbstraction took 1227.14 ms. Allocated memory was 401.1 MB in the beginning and 602.9 MB in the end (delta: 201.9 MB). Free memory was 327.0 MB in the beginning and 499.5 MB in the end (delta: -172.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:41:09,729 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.12 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 171.30 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 348.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 22.80 ms. Allocated memory is still 401.1 MB. Free memory was 348.4 MB in the beginning and 345.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 160.09 ms. Allocated memory is still 401.1 MB. Free memory was 345.7 MB in the beginning and 328.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 1227.14 ms. Allocated memory was 401.1 MB in the beginning and 602.9 MB in the end (delta: 201.9 MB). Free memory was 327.0 MB in the beginning and 499.5 MB in the end (delta: -172.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int))
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321)
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-0158_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-41-09-738.csv
Received shutdown request...