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_Camel.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 00:17:31,631 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 00:17:31,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 00:17:31,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 00:17:31,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 00:17:31,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 00:17:31,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 00:17:31,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 00:17:31,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 00:17:31,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 00:17:31,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 00:17:31,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 00:17:31,654 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 00:17:31,655 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 00:17:31,656 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 00:17:31,657 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 00:17:31,659 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 00:17:31,660 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 00:17:31,661 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 00:17:31,662 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 00:17:31,664 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 00:17:31,664 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 00:17:31,664 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 00:17:31,665 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2018-02-04 00:17:31,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 00:17:31,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 00:17:31,667 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 00:17:31,667 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 00:17:31,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 00:17:31,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 00:17:31,668 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf
[2018-02-04 00:17:31,678 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 00:17:31,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 00:17:31,679 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 00:17:31,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 00:17:31,679 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 00:17:31,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 00:17:31,680 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 00:17:31,680 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 00:17:31,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 00:17:31,680 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 00:17:31,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 00:17:31,681 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 00:17:31,681 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 00:17:31,681 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 00:17:31,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 00:17:31,681 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 00:17:31,681 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 00:17:31,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 00:17:31,682 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 00:17:31,682 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 00:17:31,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 00:17:31,682 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 00:17:31,682 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-04 00:17:31,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-04 00:17:31,683 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-02-04 00:17:31,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 00:17:31,723 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 00:17:31,726 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 00:17:31,729 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 00:17:31,729 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 00:17:31,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength2_false-valid-deref-write.c
[2018-02-04 00:17:31,836 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 00:17:31,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 00:17:31,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 00:17:31,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 00:17:31,844 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 00:17:31,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:31,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7a5a78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31, skipping insertion in model container
[2018-02-04 00:17:31,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:31,863 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 00:17:31,878 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 00:17:31,976 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 00:17:31,987 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 00:17:31,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31 WrapperNode
[2018-02-04 00:17:31,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 00:17:31,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 00:17:31,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 00:17:31,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 00:17:32,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (1/1) ...
[2018-02-04 00:17:32,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 00:17:32,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 00:17:32,013 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 00:17:32,013 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 00:17:32,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (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 00:17:32,051 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 00:17:32,051 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 00:17:32,051 INFO L136 BoogieDeclarations]: Found implementation of procedure bar
[2018-02-04 00:17:32,051 INFO L136 BoogieDeclarations]: Found implementation of procedure foo
[2018-02-04 00:17:32,051 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 00:17:32,051 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure bar
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure foo
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 00:17:32,052 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 00:17:32,211 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 00:17:32,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 12:17:32 BoogieIcfgContainer
[2018-02-04 00:17:32,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 00:17:32,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 00:17:32,212 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 00:17:32,215 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 00:17:32,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 12:17:31" (1/3) ...
[2018-02-04 00:17:32,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74350611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 12:17:32, skipping insertion in model container
[2018-02-04 00:17:32,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 12:17:31" (2/3) ...
[2018-02-04 00:17:32,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74350611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 12:17:32, skipping insertion in model container
[2018-02-04 00:17:32,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 12:17:32" (3/3) ...
[2018-02-04 00:17:32,218 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_false-valid-deref-write.c
[2018-02-04 00:17:32,223 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-04 00:17:32,228 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations.
[2018-02-04 00:17:32,259 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 00:17:32,260 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 00:17:32,260 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-04 00:17:32,260 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-04 00:17:32,260 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 00:17:32,260 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 00:17:32,260 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 00:17:32,260 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 00:17:32,261 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 00:17:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states.
[2018-02-04 00:17:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2018-02-04 00:17:32,277 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 00:17:32,278 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 00:17:32,278 INFO L371 AbstractCegarLoop]: === Iteration 1 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-04 00:17:32,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1613294992, now seen corresponding path program 1 times
[2018-02-04 00:17:32,283 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-04 00:17:32,283 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-04 00:17:32,318 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,318 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 00:17:32,319 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 00:17:32,347 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 00:17:32,367 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 00:17:32,369 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 00:17:32,369 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-04 00:17:32,370 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states
[2018-02-04 00:17:32,378 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2018-02-04 00:17:32,378 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-02-04 00:17:32,380 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 2 states.
[2018-02-04 00:17:32,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 00:17:32,392 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions.
[2018-02-04 00:17:32,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2018-02-04 00:17:32,393 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13
[2018-02-04 00:17:32,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 00:17:32,400 INFO L225 Difference]: With dead ends: 68
[2018-02-04 00:17:32,400 INFO L226 Difference]: Without dead ends: 65
[2018-02-04 00:17:32,402 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2018-02-04 00:17:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2018-02-04 00:17:32,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65.
[2018-02-04 00:17:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states.
[2018-02-04 00:17:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions.
[2018-02-04 00:17:32,428 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 13
[2018-02-04 00:17:32,428 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 00:17:32,428 INFO L432 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions.
[2018-02-04 00:17:32,429 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states.
[2018-02-04 00:17:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions.
[2018-02-04 00:17:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2018-02-04 00:17:32,429 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 00:17:32,429 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 00:17:32,430 INFO L371 AbstractCegarLoop]: === Iteration 2 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-04 00:17:32,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1969953325, now seen corresponding path program 1 times
[2018-02-04 00:17:32,430 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-04 00:17:32,430 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-04 00:17:32,431 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,431 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 00:17:32,431 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 00:17:32,444 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 00:17:32,516 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 00:17:32,516 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 00:17:32,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-02-04 00:17:32,517 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-04 00:17:32,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-04 00:17:32,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 00:17:32,518 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand 3 states.
[2018-02-04 00:17:32,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 00:17:32,565 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions.
[2018-02-04 00:17:32,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-02-04 00:17:32,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14
[2018-02-04 00:17:32,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 00:17:32,569 INFO L225 Difference]: With dead ends: 71
[2018-02-04 00:17:32,569 INFO L226 Difference]: Without dead ends: 71
[2018-02-04 00:17:32,569 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 00:17:32,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2018-02-04 00:17:32,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 64.
[2018-02-04 00:17:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states.
[2018-02-04 00:17:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions.
[2018-02-04 00:17:32,579 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 14
[2018-02-04 00:17:32,579 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 00:17:32,579 INFO L432 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions.
[2018-02-04 00:17:32,579 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-04 00:17:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions.
[2018-02-04 00:17:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-02-04 00:17:32,580 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 00:17:32,580 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 00:17:32,580 INFO L371 AbstractCegarLoop]: === Iteration 3 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-04 00:17:32,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1297061679, now seen corresponding path program 1 times
[2018-02-04 00:17:32,581 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-04 00:17:32,581 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-04 00:17:32,582 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,582 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 00:17:32,582 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 00:17:32,602 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 00:17:32,689 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 00:17:32,689 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 00:17:32,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 00:17:32,689 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 00:17:32,689 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 00:17:32,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-02-04 00:17:32,690 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 5 states.
[2018-02-04 00:17:32,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 00:17:32,759 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions.
[2018-02-04 00:17:32,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 00:17:32,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17
[2018-02-04 00:17:32,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 00:17:32,760 INFO L225 Difference]: With dead ends: 62
[2018-02-04 00:17:32,760 INFO L226 Difference]: Without dead ends: 62
[2018-02-04 00:17:32,761 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2018-02-04 00:17:32,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2018-02-04 00:17:32,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2018-02-04 00:17:32,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states.
[2018-02-04 00:17:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions.
[2018-02-04 00:17:32,764 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 17
[2018-02-04 00:17:32,764 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 00:17:32,764 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions.
[2018-02-04 00:17:32,764 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 00:17:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions.
[2018-02-04 00:17:32,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2018-02-04 00:17:32,765 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 00:17:32,765 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 00:17:32,765 INFO L371 AbstractCegarLoop]: === Iteration 4 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-04 00:17:32,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1297061678, now seen corresponding path program 1 times
[2018-02-04 00:17:32,765 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-04 00:17:32,765 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-04 00:17:32,766 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,766 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 00:17:32,766 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 00:17:32,780 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 00:17:32,861 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 00:17:32,861 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 00:17:32,861 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-02-04 00:17:32,861 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-02-04 00:17:32,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-02-04 00:17:32,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2018-02-04 00:17:32,862 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 7 states.
[2018-02-04 00:17:33,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 00:17:33,017 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions.
[2018-02-04 00:17:33,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-02-04 00:17:33,018 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17
[2018-02-04 00:17:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 00:17:33,020 INFO L225 Difference]: With dead ends: 101
[2018-02-04 00:17:33,020 INFO L226 Difference]: Without dead ends: 101
[2018-02-04 00:17:33,021 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2018-02-04 00:17:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2018-02-04 00:17:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84.
[2018-02-04 00:17:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states.
[2018-02-04 00:17:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions.
[2018-02-04 00:17:33,027 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 17
[2018-02-04 00:17:33,028 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 00:17:33,028 INFO L432 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions.
[2018-02-04 00:17:33,028 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-02-04 00:17:33,028 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions.
[2018-02-04 00:17:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-02-04 00:17:33,028 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 00:17:33,029 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 00:17:33,029 INFO L371 AbstractCegarLoop]: === Iteration 5 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-04 00:17:33,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1554206377, now seen corresponding path program 1 times
[2018-02-04 00:17:33,029 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-04 00:17:33,029 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-04 00:17:33,030 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:33,030 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 00:17:33,030 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 00:17:33,043 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 00:17:33,061 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 00:17:33,061 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 00:17:33,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-04 00:17:33,062 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-04 00:17:33,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-04 00:17:33,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 00:17:33,062 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand 3 states.
[2018-02-04 00:17:33,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 00:17:33,104 INFO L93 Difference]: Finished difference Result 83 states and 93 transitions.
[2018-02-04 00:17:33,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-02-04 00:17:33,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18
[2018-02-04 00:17:33,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 00:17:33,105 INFO L225 Difference]: With dead ends: 83
[2018-02-04 00:17:33,105 INFO L226 Difference]: Without dead ends: 83
[2018-02-04 00:17:33,105 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-04 00:17:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2018-02-04 00:17:33,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83.
[2018-02-04 00:17:33,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states.
[2018-02-04 00:17:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 93 transitions.
[2018-02-04 00:17:33,108 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 93 transitions. Word has length 18
[2018-02-04 00:17:33,108 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 00:17:33,108 INFO L432 AbstractCegarLoop]: Abstraction has 83 states and 93 transitions.
[2018-02-04 00:17:33,108 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-04 00:17:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions.
[2018-02-04 00:17:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2018-02-04 00:17:33,109 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 00:17:33,109 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 00:17:33,109 INFO L371 AbstractCegarLoop]: === Iteration 6 === [barErr1RequiresViolation, barErr0RequiresViolation, fooErr1RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr3RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation]===
[2018-02-04 00:17:33,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1554206376, now seen corresponding path program 1 times
[2018-02-04 00:17:33,109 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-04 00:17:33,109 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-04 00:17:33,110 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:33,110 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 00:17:33,110 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 00:17:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-02-04 00:17:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2018-02-04 00:17:33,142 INFO L410 BasicCegarLoop]: Counterexample might be feasible
[2018-02-04 00:17:33,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 12:17:33 BoogieIcfgContainer
[2018-02-04 00:17:33,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-02-04 00:17:33,162 INFO L168 Benchmark]: Toolchain (without parser) took 1325.94 ms. Allocated memory was 400.6 MB in the beginning and 607.1 MB in the end (delta: 206.6 MB). Free memory was 358.7 MB in the beginning and 495.0 MB in the end (delta: -136.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 5.3 GB.
[2018-02-04 00:17:33,163 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 400.6 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 00:17:33,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.01 ms. Allocated memory is still 400.6 MB. Free memory was 358.7 MB in the beginning and 350.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB.
[2018-02-04 00:17:33,164 INFO L168 Benchmark]: Boogie Preprocessor took 20.38 ms. Allocated memory is still 400.6 MB. Free memory was 350.8 MB in the beginning and 348.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-02-04 00:17:33,164 INFO L168 Benchmark]: RCFGBuilder took 198.71 ms. Allocated memory is still 400.6 MB. Free memory was 348.1 MB in the beginning and 327.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB.
[2018-02-04 00:17:33,164 INFO L168 Benchmark]: TraceAbstraction took 949.76 ms. Allocated memory was 400.6 MB in the beginning and 607.1 MB in the end (delta: 206.6 MB). Free memory was 327.2 MB in the beginning and 495.0 MB in the end (delta: -167.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 5.3 GB.
[2018-02-04 00:17:33,165 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14 ms. Allocated memory is still 400.6 MB. Free memory is still 364.0 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 154.01 ms. Allocated memory is still 400.6 MB. Free memory was 358.7 MB in the beginning and 350.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 20.38 ms. Allocated memory is still 400.6 MB. Free memory was 350.8 MB in the beginning and 348.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 198.71 ms. Allocated memory is still 400.6 MB. Free memory was 348.1 MB in the beginning and 327.2 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 949.76 ms. Allocated memory was 400.6 MB in the beginning and 607.1 MB in the end (delta: 206.6 MB). Free memory was 327.2 MB in the beginning and 495.0 MB in the end (delta: -167.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1]: pointer dereference may fail
pointer dereference may fail
We found a FailurePath:
[L32] int i, b[100];
VAL [b={403:0}]
[L33] i = 0
VAL [b={403:0}, i=0]
[L33] COND TRUE i < 100
VAL [b={403:0}, i=0]
[L34] CALL foo(i, b, i + 1)
VAL [\old(n)=0, \old(size)=1, b={403:0}]
[L21] FCALL int a[n], i;
[L22] i = 0
VAL [\old(n)=0, \old(size)=1, a={404:0}, b={403:0}, b={403:0}, i=0, n=0, size=1]
[L22] COND TRUE i < size
VAL [\old(n)=0, \old(size)=1, a={404:0}, b={403:0}, b={403:0}, i=0, n=0, size=1]
[L23] EXPR, FCALL b[i]
VAL [\old(n)=0, \old(size)=1, a={404:0}, b={403:0}, b={403:0}, b[i]=402, i=0, n=0, size=1]
[L23] FCALL a[i] = b[i]
VAL [\old(n)=0, \old(size)=1, a={404:0}, b={403:0}, b={403:0}, b[i]=402, i=0, n=0, size=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 68 locations, 11 error locations. UNSAFE Result, 0.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 296 SDtfs, 157 SDslu, 310 SDs, 0 SdLazy, 191 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 4050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_00-17-33-170.csv
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength2_false-valid-deref-write.c_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_00-17-33-170.csv
Received shutdown request...