java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:04:05,702 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:04:05,703 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:04:05,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:04:05,717 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:04:05,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:04:05,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:04:05,720 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:04:05,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:04:05,722 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:04:05,723 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:04:05,723 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:04:05,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:04:05,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:04:05,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:04:05,727 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:04:05,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:04:05,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:04:05,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:04:05,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:04:05,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:04:05,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:04:05,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:04:05,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:04:05,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:04:05,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:04:05,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:04:05,738 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:04:05,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2018-02-04 04:04:05,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:04:05,743 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf
[2018-02-04 04:04:05,753 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:04:05,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:04:05,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:04:05,755 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:04:05,755 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:04:05,755 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:04:05,755 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:04:05,755 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:04:05,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:04:05,756 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:04:05,756 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:04:05,756 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:04:05,756 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:04:05,756 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:04:05,757 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:04:05,757 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:04:05,757 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:04:05,757 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:04:05,757 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:04:05,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:04:05,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:04:05,758 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:04:05,758 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-04 04:04:05,758 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-04 04:04:05,758 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL
[2018-02-04 04:04:05,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:04:05,801 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:04:05,805 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:04:05,806 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:04:05,806 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:04:05,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i
[2018-02-04 04:04:05,973 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:04:05,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:04:05,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:04:05,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:04:05,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:04:05,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:04:05" (1/1) ...
[2018-02-04 04:04:05,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfe84f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:05, skipping insertion in model container
[2018-02-04 04:04:05,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:04:05" (1/1) ...
[2018-02-04 04:04:05,996 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:04:06,024 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:04:06,116 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:04:06,128 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:04:06,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06 WrapperNode
[2018-02-04 04:04:06,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:04:06,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:04:06,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:04:06,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:04:06,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (1/1) ...
[2018-02-04 04:04:06,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:04:06,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:04:06,157 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:04:06,157 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:04:06,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (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 04:04:06,194 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:04:06,195 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:04:06,195 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes
[2018-02-04 04:04:06,195 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:04:06,195 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes
[2018-02-04 04:04:06,196 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:04:06,196 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:04:06,196 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:04:06,320 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:04:06,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:04:06 BoogieIcfgContainer
[2018-02-04 04:04:06,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:04:06,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:04:06,322 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:04:06,324 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:04:06,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:04:05" (1/3) ...
[2018-02-04 04:04:06,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302cd3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:04:06, skipping insertion in model container
[2018-02-04 04:04:06,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:04:06" (2/3) ...
[2018-02-04 04:04:06,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@302cd3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:04:06, skipping insertion in model container
[2018-02-04 04:04:06,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:04:06" (3/3) ...
[2018-02-04 04:04:06,326 INFO L107 eAbstractionObserver]: Analyzing ICFG stroeder2-alloca_true-valid-memsafety_true-termination.i
[2018-02-04 04:04:06,332 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:04:06,338 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations.
[2018-02-04 04:04:06,371 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:04:06,371 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:04:06,371 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-04 04:04:06,371 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-04 04:04:06,371 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:04:06,372 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:04:06,372 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:04:06,372 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:04:06,373 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:04:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states.
[2018-02-04 04:04:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-02-04 04:04:06,393 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:04:06,394 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:04:06,394 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-04 04:04:06,398 INFO L82 PathProgramCache]: Analyzing trace with hash -55325045, now seen corresponding path program 1 times
[2018-02-04 04:04:06,400 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:04:06,400 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:04:06,446 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:06,446 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:06,446 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:06,500 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:04:06,616 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 04:04:06,618 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:04:06,619 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-02-04 04:04:06,620 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-02-04 04:04:06,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-02-04 04:04:06,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2018-02-04 04:04:06,636 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 7 states.
[2018-02-04 04:04:06,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:04:06,816 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions.
[2018-02-04 04:04:06,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2018-02-04 04:04:06,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15
[2018-02-04 04:04:06,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:04:06,825 INFO L225 Difference]: With dead ends: 40
[2018-02-04 04:04:06,825 INFO L226 Difference]: Without dead ends: 37
[2018-02-04 04:04:06,826 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2018-02-04 04:04:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2018-02-04 04:04:06,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32.
[2018-02-04 04:04:06,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2018-02-04 04:04:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions.
[2018-02-04 04:04:06,849 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15
[2018-02-04 04:04:06,849 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:04:06,849 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions.
[2018-02-04 04:04:06,849 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-02-04 04:04:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions.
[2018-02-04 04:04:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2018-02-04 04:04:06,850 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:04:06,850 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:04:06,850 INFO L371 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-04 04:04:06,850 INFO L82 PathProgramCache]: Analyzing trace with hash -55325044, now seen corresponding path program 1 times
[2018-02-04 04:04:06,851 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:04:06,851 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:04:06,851 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:06,852 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:06,852 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:06,870 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:04:06,972 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 04:04:06,972 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:04:06,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2018-02-04 04:04:06,974 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states
[2018-02-04 04:04:06,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2018-02-04 04:04:06,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2018-02-04 04:04:06,975 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 7 states.
[2018-02-04 04:04:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:04:07,117 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions.
[2018-02-04 04:04:07,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-02-04 04:04:07,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15
[2018-02-04 04:04:07,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:04:07,118 INFO L225 Difference]: With dead ends: 50
[2018-02-04 04:04:07,118 INFO L226 Difference]: Without dead ends: 50
[2018-02-04 04:04:07,119 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2018-02-04 04:04:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2018-02-04 04:04:07,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41.
[2018-02-04 04:04:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2018-02-04 04:04:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions.
[2018-02-04 04:04:07,122 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 15
[2018-02-04 04:04:07,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:04:07,122 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions.
[2018-02-04 04:04:07,122 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2018-02-04 04:04:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions.
[2018-02-04 04:04:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-02-04 04:04:07,123 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:04:07,123 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:04:07,123 INFO L371 AbstractCegarLoop]: === Iteration 3 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-04 04:04:07,123 INFO L82 PathProgramCache]: Analyzing trace with hash -195737667, now seen corresponding path program 1 times
[2018-02-04 04:04:07,123 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:04:07,123 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:04:07,124 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:07,124 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:07,124 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:07,136 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:04:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:04:07,160 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:04:07,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-04 04:04:07,160 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:04:07,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:04:07,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-02-04 04:04:07,161 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 5 states.
[2018-02-04 04:04:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:04:07,181 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions.
[2018-02-04 04:04:07,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:04:07,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20
[2018-02-04 04:04:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:04:07,183 INFO L225 Difference]: With dead ends: 45
[2018-02-04 04:04:07,183 INFO L226 Difference]: Without dead ends: 42
[2018-02-04 04:04:07,183 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 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 04:04:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2018-02-04 04:04:07,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41.
[2018-02-04 04:04:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2018-02-04 04:04:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions.
[2018-02-04 04:04:07,187 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 20
[2018-02-04 04:04:07,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:04:07,187 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions.
[2018-02-04 04:04:07,187 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:04:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions.
[2018-02-04 04:04:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-02-04 04:04:07,188 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:04:07,188 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:04:07,188 INFO L371 AbstractCegarLoop]: === Iteration 4 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-04 04:04:07,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1506152513, now seen corresponding path program 1 times
[2018-02-04 04:04:07,188 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:04:07,188 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:04:07,189 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:07,189 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:07,189 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:07,200 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:04:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:04:07,277 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-02-04 04:04:07,277 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP
[2018-02-04 04:04:07,278 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:07,301 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-02-04 04:04:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:04:07,338 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2018-02-04 04:04:07,338 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 13
[2018-02-04 04:04:07,339 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states
[2018-02-04 04:04:07,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2018-02-04 04:04:07,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2018-02-04 04:04:07,339 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 13 states.
[2018-02-04 04:04:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:04:07,456 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions.
[2018-02-04 04:04:07,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-02-04 04:04:07,457 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21
[2018-02-04 04:04:07,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:04:07,457 INFO L225 Difference]: With dead ends: 65
[2018-02-04 04:04:07,457 INFO L226 Difference]: Without dead ends: 65
[2018-02-04 04:04:07,458 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272
[2018-02-04 04:04:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2018-02-04 04:04:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60.
[2018-02-04 04:04:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states.
[2018-02-04 04:04:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions.
[2018-02-04 04:04:07,462 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 21
[2018-02-04 04:04:07,462 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:04:07,463 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions.
[2018-02-04 04:04:07,463 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states.
[2018-02-04 04:04:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions.
[2018-02-04 04:04:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2018-02-04 04:04:07,463 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:04:07,464 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:04:07,464 INFO L371 AbstractCegarLoop]: === Iteration 5 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-04 04:04:07,464 INFO L82 PathProgramCache]: Analyzing trace with hash 226288835, now seen corresponding path program 1 times
[2018-02-04 04:04:07,464 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:04:07,464 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:04:07,465 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:07,465 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:07,465 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:07,475 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:04:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:04:07,587 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-02-04 04:04:07,587 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_FP
[2018-02-04 04:04:07,588 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:07,608 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-02-04 04:04:07,625 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 8 treesize of output 7
[2018-02-04 04:04:07,626 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-04 04:04:07,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-04 04:04:07,629 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11
[2018-02-04 04:04:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-04 04:04:07,839 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-02-04 04:04:07,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17
[2018-02-04 04:04:07,839 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states
[2018-02-04 04:04:07,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2018-02-04 04:04:07,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306
[2018-02-04 04:04:07,840 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 18 states.
[2018-02-04 04:04:08,234 WARN L146 SmtUtils]: Spent 277ms on a formula simplification. DAG size of input: 47 DAG size of output 39
[2018-02-04 04:04:08,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:04:08,385 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions.
[2018-02-04 04:04:08,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-02-04 04:04:08,385 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 21
[2018-02-04 04:04:08,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:04:08,386 INFO L225 Difference]: With dead ends: 63
[2018-02-04 04:04:08,386 INFO L226 Difference]: Without dead ends: 63
[2018-02-04 04:04:08,386 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552
[2018-02-04 04:04:08,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2018-02-04 04:04:08,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50.
[2018-02-04 04:04:08,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states.
[2018-02-04 04:04:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions.
[2018-02-04 04:04:08,390 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 21
[2018-02-04 04:04:08,390 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:04:08,390 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions.
[2018-02-04 04:04:08,390 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states.
[2018-02-04 04:04:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions.
[2018-02-04 04:04:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2018-02-04 04:04:08,390 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:04:08,390 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:04:08,390 INFO L371 AbstractCegarLoop]: === Iteration 6 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-04 04:04:08,391 INFO L82 PathProgramCache]: Analyzing trace with hash 308334376, now seen corresponding path program 1 times
[2018-02-04 04:04:08,391 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:04:08,391 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:04:08,391 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:08,391 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:04:08,392 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:04:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:04:08,401 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:04:08,405 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.UnsupportedOperationException: Unknown lemma type!
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915)
at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:164)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:68)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:115)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2018-02-04 04:04:08,409 INFO L168 Benchmark]: Toolchain (without parser) took 2435.47 ms. Allocated memory was 400.0 MB in the beginning and 622.9 MB in the end (delta: 222.8 MB). Free memory was 358.2 MB in the beginning and 527.7 MB in the end (delta: -169.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:04:08,410 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 400.0 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:04:08,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.20 ms. Allocated memory is still 400.0 MB. Free memory was 356.9 MB in the beginning and 347.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:04:08,411 INFO L168 Benchmark]: Boogie Preprocessor took 21.36 ms. Allocated memory is still 400.0 MB. Free memory was 347.6 MB in the beginning and 345.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:04:08,411 INFO L168 Benchmark]: RCFGBuilder took 164.75 ms. Allocated memory is still 400.0 MB. Free memory was 345.0 MB in the beginning and 328.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB.
[2018-02-04 04:04:08,412 INFO L168 Benchmark]: TraceAbstraction took 2087.13 ms. Allocated memory was 400.0 MB in the beginning and 622.9 MB in the end (delta: 222.8 MB). Free memory was 328.2 MB in the beginning and 527.7 MB in the end (delta: -199.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB.
[2018-02-04 04:04:08,413 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13 ms. Allocated memory is still 400.0 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 159.20 ms. Allocated memory is still 400.0 MB. Free memory was 356.9 MB in the beginning and 347.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 21.36 ms. Allocated memory is still 400.0 MB. Free memory was 347.6 MB in the beginning and 345.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 164.75 ms. Allocated memory is still 400.0 MB. Free memory was 345.0 MB in the beginning and 328.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 2087.13 ms. Allocated memory was 400.0 MB in the beginning and 622.9 MB in the end (delta: 222.8 MB). Free memory was 328.2 MB in the beginning and 527.7 MB in the end (delta: -199.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type!
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder2-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-04-08-419.csv
Received shutdown request...