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/cstrpbrk_unsafe_false-valid-deref.i
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This is Ultimate 0.1.23-ccafca9-m
[2018-02-04 04:02:48,580 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-04 04:02:48,581 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-04 04:02:48,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-04 04:02:48,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-04 04:02:48,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-04 04:02:48,593 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-04 04:02:48,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-04 04:02:48,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-04 04:02:48,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-04 04:02:48,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-04 04:02:48,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-04 04:02:48,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-04 04:02:48,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-04 04:02:48,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-04 04:02:48,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-04 04:02:48,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-04 04:02:48,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-04 04:02:48,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-04 04:02:48,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-04 04:02:48,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-04 04:02:48,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-04 04:02:48,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-04 04:02:48,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-04 04:02:48,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-04 04:02:48,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-04 04:02:48,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-04 04:02:48,609 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-04 04:02:48,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-04 04:02:48,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-04 04:02:48,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-04 04:02:48,610 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 04:02:48,619 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-04 04:02:48,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-04 04:02:48,620 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-04 04:02:48,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-04 04:02:48,620 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-04 04:02:48,621 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-04 04:02:48,621 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-04 04:02:48,622 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-04 04:02:48,622 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-04 04:02:48,622 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-04 04:02:48,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-04 04:02:48,622 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-04 04:02:48,622 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-04 04:02:48,623 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-04 04:02:48,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-04 04:02:48,623 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-04 04:02:48,623 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-04 04:02:48,623 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-04 04:02:48,623 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL
[2018-02-04 04:02:48,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-04 04:02:48,663 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-04 04:02:48,666 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-04 04:02:48,669 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-04 04:02:48,669 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-04 04:02:48,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrpbrk_unsafe_false-valid-deref.i
[2018-02-04 04:02:48,804 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-04 04:02:48,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-04 04:02:48,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-04 04:02:48,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-04 04:02:48,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-04 04:02:48,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c73cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48, skipping insertion in model container
[2018-02-04 04:02:48,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,829 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:02:48,858 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-04 04:02:48,946 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:02:48,958 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-04 04:02:48,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48 WrapperNode
[2018-02-04 04:02:48,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-04 04:02:48,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-04 04:02:48,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-04 04:02:48,962 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-04 04:02:48,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (1/1) ...
[2018-02-04 04:02:48,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-04 04:02:48,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-04 04:02:48,988 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-04 04:02:48,988 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-04 04:02:48,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (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 04:02:49,021 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-04 04:02:49,021 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-04 04:02:49,021 INFO L136 BoogieDeclarations]: Found implementation of procedure build_nondet_String
[2018-02-04 04:02:49,021 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrpbrk
[2018-02-04 04:02:49,021 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-04 04:02:49,021 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-04 04:02:49,021 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-04 04:02:49,021 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure build_nondet_String
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure cstrpbrk
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-04 04:02:49,022 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-04 04:02:49,220 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-04 04:02:49,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:02:49 BoogieIcfgContainer
[2018-02-04 04:02:49,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-04 04:02:49,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-04 04:02:49,221 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-04 04:02:49,223 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-04 04:02:49,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:02:48" (1/3) ...
[2018-02-04 04:02:49,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9c24b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:02:49, skipping insertion in model container
[2018-02-04 04:02:49,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:02:48" (2/3) ...
[2018-02-04 04:02:49,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d9c24b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:02:49, skipping insertion in model container
[2018-02-04 04:02:49,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:02:49" (3/3) ...
[2018-02-04 04:02:49,226 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrpbrk_unsafe_false-valid-deref.i
[2018-02-04 04:02:49,231 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-04 04:02:49,236 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations.
[2018-02-04 04:02:49,260 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-04 04:02:49,261 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-04 04:02:49,261 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-04 04:02:49,261 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-04 04:02:49,261 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-04 04:02:49,261 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-04 04:02:49,261 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-04 04:02:49,261 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-04 04:02:49,262 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-04 04:02:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states.
[2018-02-04 04:02:49,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-02-04 04:02:49,278 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:02:49,279 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:02:49,279 INFO L371 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation]===
[2018-02-04 04:02:49,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1167838739, now seen corresponding path program 1 times
[2018-02-04 04:02:49,285 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:02:49,285 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:02:49,319 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:02:49,319 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:02:49,319 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:02:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:02:49,356 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:02:49,411 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 04:02:49,413 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:02:49,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-02-04 04:02:49,414 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-02-04 04:02:49,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-02-04 04:02:49,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-02-04 04:02:49,424 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 4 states.
[2018-02-04 04:02:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:02:49,595 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions.
[2018-02-04 04:02:49,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2018-02-04 04:02:49,597 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2018-02-04 04:02:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:02:49,605 INFO L225 Difference]: With dead ends: 64
[2018-02-04 04:02:49,606 INFO L226 Difference]: Without dead ends: 61
[2018-02-04 04:02:49,607 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-02-04 04:02:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2018-02-04 04:02:49,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2018-02-04 04:02:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states.
[2018-02-04 04:02:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions.
[2018-02-04 04:02:49,636 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 11
[2018-02-04 04:02:49,636 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:02:49,636 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions.
[2018-02-04 04:02:49,636 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-02-04 04:02:49,636 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions.
[2018-02-04 04:02:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2018-02-04 04:02:49,637 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:02:49,637 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:02:49,637 INFO L371 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation]===
[2018-02-04 04:02:49,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1167838738, now seen corresponding path program 1 times
[2018-02-04 04:02:49,637 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:02:49,637 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:02:49,638 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:02:49,638 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:02:49,639 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:02:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:02:49,651 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:02:49,742 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 04:02:49,742 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-04 04:02:49,742 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-04 04:02:49,744 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-04 04:02:49,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-04 04:02:49,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-02-04 04:02:49,745 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 5 states.
[2018-02-04 04:02:49,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-04 04:02:49,775 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions.
[2018-02-04 04:02:49,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-04 04:02:49,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2018-02-04 04:02:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-04 04:02:49,777 INFO L225 Difference]: With dead ends: 60
[2018-02-04 04:02:49,777 INFO L226 Difference]: Without dead ends: 60
[2018-02-04 04:02:49,778 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2018-02-04 04:02:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2018-02-04 04:02:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2018-02-04 04:02:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states.
[2018-02-04 04:02:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions.
[2018-02-04 04:02:49,783 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 11
[2018-02-04 04:02:49,784 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-04 04:02:49,784 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions.
[2018-02-04 04:02:49,784 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-04 04:02:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions.
[2018-02-04 04:02:49,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-02-04 04:02:49,785 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-04 04:02:49,785 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-04 04:02:49,785 INFO L371 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr0RequiresViolation, build_nondet_StringErr1RequiresViolation, cstrpbrkErr3RequiresViolation, cstrpbrkErr1RequiresViolation, cstrpbrkErr9RequiresViolation, cstrpbrkErr7RequiresViolation, cstrpbrkErr2RequiresViolation, cstrpbrkErr8RequiresViolation, cstrpbrkErr4RequiresViolation, cstrpbrkErr0RequiresViolation, cstrpbrkErr6RequiresViolation, cstrpbrkErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6EnsuresViolation, mainErr0RequiresViolation]===
[2018-02-04 04:02:49,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1764023599, now seen corresponding path program 1 times
[2018-02-04 04:02:49,785 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY
[2018-02-04 04:02:49,786 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy
[2018-02-04 04:02:49,786 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:02:49,787 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-04 04:02:49,787 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-04 04:02:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-04 04:02:49,807 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-04 04:02:49,813 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 04:02:49,815 INFO L168 Benchmark]: Toolchain (without parser) took 1009.98 ms. Allocated memory was 400.0 MB in the beginning and 604.5 MB in the end (delta: 204.5 MB). Free memory was 356.9 MB in the beginning and 547.8 MB in the end (delta: -190.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 5.3 GB.
[2018-02-04 04:02:49,815 INFO L168 Benchmark]: CDTParser took 0.14 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 04:02:49,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.54 ms. Allocated memory is still 400.0 MB. Free memory was 356.9 MB in the beginning and 346.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 5.3 GB.
[2018-02-04 04:02:49,816 INFO L168 Benchmark]: Boogie Preprocessor took 25.66 ms. Allocated memory is still 400.0 MB. Free memory was 346.3 MB in the beginning and 344.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-04 04:02:49,816 INFO L168 Benchmark]: RCFGBuilder took 233.16 ms. Allocated memory is still 400.0 MB. Free memory was 344.9 MB in the beginning and 323.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB.
[2018-02-04 04:02:49,816 INFO L168 Benchmark]: TraceAbstraction took 592.86 ms. Allocated memory was 400.0 MB in the beginning and 604.5 MB in the end (delta: 204.5 MB). Free memory was 323.0 MB in the beginning and 547.8 MB in the end (delta: -224.8 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-04 04:02:49,818 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 400.0 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 155.54 ms. Allocated memory is still 400.0 MB. Free memory was 356.9 MB in the beginning and 346.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 25.66 ms. Allocated memory is still 400.0 MB. Free memory was 346.3 MB in the beginning and 344.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 233.16 ms. Allocated memory is still 400.0 MB. Free memory was 344.9 MB in the beginning and 323.0 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 592.86 ms. Allocated memory was 400.0 MB in the beginning and 604.5 MB in the end (delta: 204.5 MB). Free memory was 323.0 MB in the beginning and 547.8 MB in the end (delta: -224.8 MB). There was no memory consumed. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type!
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrpbrk_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-02-49-824.csv
Received shutdown request...