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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-26d9e06-m
[2018-02-02 09:32:58,184 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-02 09:32:58,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-02 09:32:58,199 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-02 09:32:58,199 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-02 09:32:58,200 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-02 09:32:58,201 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-02 09:32:58,202 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-02 09:32:58,204 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-02 09:32:58,205 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-02 09:32:58,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-02 09:32:58,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-02 09:32:58,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-02 09:32:58,207 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-02 09:32:58,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-02 09:32:58,210 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-02 09:32:58,211 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-02 09:32:58,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-02 09:32:58,214 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-02 09:32:58,215 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-02 09:32:58,217 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-02 09:32:58,217 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-02 09:32:58,217 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-02 09:32:58,218 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-02 09:32:58,219 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-02 09:32:58,220 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-02 09:32:58,220 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-02 09:32:58,221 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-02 09:32:58,221 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-02 09:32:58,221 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-02 09:32:58,221 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-02 09:32:58,222 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf
[2018-02-02 09:32:58,231 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-02 09:32:58,231 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-02 09:32:58,232 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-02 09:32:58,232 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-02 09:32:58,232 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-02 09:32:58,232 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-02 09:32:58,233 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-02 09:32:58,234 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-02 09:32:58,234 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-02 09:32:58,234 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-02 09:32:58,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-02 09:32:58,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-02 09:32:58,234 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-02 09:32:58,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-02 09:32:58,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 09:32:58,235 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-02 09:32:58,235 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-02 09:32:58,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-02 09:32:58,235 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-02-02 09:32:58,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-02 09:32:58,274 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-02 09:32:58,280 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-02 09:32:58,281 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-02 09:32:58,282 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-02 09:32:58,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i
[2018-02-02 09:32:58,447 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-02 09:32:58,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-02 09:32:58,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-02 09:32:58,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-02 09:32:58,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-02 09:32:58,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ce2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58, skipping insertion in model container
[2018-02-02 09:32:58,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,473 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 09:32:58,511 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 09:32:58,592 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 09:32:58,601 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 09:32:58,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58 WrapperNode
[2018-02-02 09:32:58,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-02 09:32:58,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-02 09:32:58,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-02 09:32:58,607 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-02 09:32:58,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (1/1) ...
[2018-02-02 09:32:58,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-02 09:32:58,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-02 09:32:58,637 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-02 09:32:58,637 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-02 09:32:58,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (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
[2018-02-02 09:32:58,676 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-02 09:32:58,676 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-02 09:32:58,676 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2018-02-02 09:32:58,676 INFO L136 BoogieDeclarations]: Found implementation of procedure h5
[2018-02-02 09:32:58,677 INFO L136 BoogieDeclarations]: Found implementation of procedure g5
[2018-02-02 09:32:58,677 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point
[2018-02-02 09:32:58,677 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-02 09:32:58,677 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-02 09:32:58,677 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-02 09:32:58,677 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-02 09:32:58,677 INFO L128 BoogieDeclarations]: Found specification of procedure malloc
[2018-02-02 09:32:58,677 INFO L128 BoogieDeclarations]: Found specification of procedure free
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure h5
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure g5
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-02 09:32:58,678 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-02 09:32:58,827 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-02 09:32:58,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:32:58 BoogieIcfgContainer
[2018-02-02 09:32:58,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-02 09:32:58,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-02 09:32:58,828 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-02 09:32:58,830 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-02 09:32:58,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:32:58" (1/3) ...
[2018-02-02 09:32:58,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47376bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:32:58, skipping insertion in model container
[2018-02-02 09:32:58,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:32:58" (2/3) ...
[2018-02-02 09:32:58,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47376bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:32:58, skipping insertion in model container
[2018-02-02 09:32:58,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:32:58" (3/3) ...
[2018-02-02 09:32:58,833 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test5_true-valid-memsafety_true-termination.i
[2018-02-02 09:32:58,838 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-02 09:32:58,843 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations.
[2018-02-02 09:32:58,881 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-02 09:32:58,881 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-02 09:32:58,881 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-02 09:32:58,882 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-02 09:32:58,882 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-02 09:32:58,882 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-02 09:32:58,882 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-02 09:32:58,882 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-02 09:32:58,883 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-02 09:32:58,895 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states.
[2018-02-02 09:32:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-02-02 09:32:58,903 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:32:58,904 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]
[2018-02-02 09:32:58,904 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:32:58,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1224818119, now seen corresponding path program 1 times
[2018-02-02 09:32:58,910 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:32:58,910 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:32:58,958 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:58,958 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:32:58,958 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:32:59,018 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:32:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:32:59,157 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:32:59,158 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-02-02 09:32:59,159 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-02 09:32:59,167 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-02 09:32:59,167 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2018-02-02 09:32:59,169 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 9 states.
[2018-02-02 09:32:59,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:32:59,257 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions.
[2018-02-02 09:32:59,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-02-02 09:32:59,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20
[2018-02-02 09:32:59,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:32:59,316 INFO L225 Difference]: With dead ends: 48
[2018-02-02 09:32:59,316 INFO L226 Difference]: Without dead ends: 45
[2018-02-02 09:32:59,317 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2018-02-02 09:32:59,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2018-02-02 09:32:59,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42.
[2018-02-02 09:32:59,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states.
[2018-02-02 09:32:59,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions.
[2018-02-02 09:32:59,343 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 20
[2018-02-02 09:32:59,343 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:32:59,343 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions.
[2018-02-02 09:32:59,343 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-02 09:32:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions.
[2018-02-02 09:32:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2018-02-02 09:32:59,344 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:32:59,344 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]
[2018-02-02 09:32:59,344 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:32:59,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1224818118, now seen corresponding path program 1 times
[2018-02-02 09:32:59,344 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:32:59,344 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:32:59,346 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,346 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:32:59,346 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:32:59,360 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:32:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:32:59,417 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:32:59,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-02-02 09:32:59,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-02-02 09:32:59,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-02-02 09:32:59,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2018-02-02 09:32:59,418 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 9 states.
[2018-02-02 09:32:59,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:32:59,474 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions.
[2018-02-02 09:32:59,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-02-02 09:32:59,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20
[2018-02-02 09:32:59,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:32:59,477 INFO L225 Difference]: With dead ends: 46
[2018-02-02 09:32:59,477 INFO L226 Difference]: Without dead ends: 46
[2018-02-02 09:32:59,478 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2018-02-02 09:32:59,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2018-02-02 09:32:59,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42.
[2018-02-02 09:32:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states.
[2018-02-02 09:32:59,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions.
[2018-02-02 09:32:59,482 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 20
[2018-02-02 09:32:59,483 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:32:59,483 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions.
[2018-02-02 09:32:59,483 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-02-02 09:32:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions.
[2018-02-02 09:32:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2018-02-02 09:32:59,484 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:32:59,484 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, 1, 1]
[2018-02-02 09:32:59,484 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:32:59,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1045905065, now seen corresponding path program 1 times
[2018-02-02 09:32:59,484 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:32:59,484 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:32:59,485 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,486 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:32:59,486 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:32:59,500 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:32:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:32:59,572 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:32:59,573 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2018-02-02 09:32:59,573 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-02-02 09:32:59,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-02-02 09:32:59,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2018-02-02 09:32:59,574 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 10 states.
[2018-02-02 09:32:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:32:59,625 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions.
[2018-02-02 09:32:59,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2018-02-02 09:32:59,625 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22
[2018-02-02 09:32:59,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:32:59,626 INFO L225 Difference]: With dead ends: 41
[2018-02-02 09:32:59,626 INFO L226 Difference]: Without dead ends: 41
[2018-02-02 09:32:59,626 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2018-02-02 09:32:59,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2018-02-02 09:32:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2018-02-02 09:32:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2018-02-02 09:32:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions.
[2018-02-02 09:32:59,629 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 22
[2018-02-02 09:32:59,629 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:32:59,629 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions.
[2018-02-02 09:32:59,629 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-02-02 09:32:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions.
[2018-02-02 09:32:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2018-02-02 09:32:59,630 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:32:59,630 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, 1, 1]
[2018-02-02 09:32:59,630 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:32:59,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1045905064, now seen corresponding path program 1 times
[2018-02-02 09:32:59,630 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:32:59,630 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:32:59,631 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,631 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:32:59,632 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:32:59,644 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:32:59,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:32:59,762 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:32:59,762 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2018-02-02 09:32:59,762 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-02-02 09:32:59,762 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-02-02 09:32:59,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2018-02-02 09:32:59,763 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 10 states.
[2018-02-02 09:32:59,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:32:59,894 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions.
[2018-02-02 09:32:59,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-02-02 09:32:59,894 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22
[2018-02-02 09:32:59,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:32:59,895 INFO L225 Difference]: With dead ends: 44
[2018-02-02 09:32:59,895 INFO L226 Difference]: Without dead ends: 44
[2018-02-02 09:32:59,895 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2018-02-02 09:32:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2018-02-02 09:32:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28.
[2018-02-02 09:32:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2018-02-02 09:32:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions.
[2018-02-02 09:32:59,898 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 22
[2018-02-02 09:32:59,898 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:32:59,898 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions.
[2018-02-02 09:32:59,898 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-02-02 09:32:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions.
[2018-02-02 09:32:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2018-02-02 09:32:59,898 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:32:59,899 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, 1, 1, 1, 1]
[2018-02-02 09:32:59,899 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:32:59,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1043029204, now seen corresponding path program 1 times
[2018-02-02 09:32:59,899 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:32:59,899 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:32:59,900 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,900 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:32:59,900 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:32:59,908 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:32:59,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:32:59,940 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:32:59,940 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2018-02-02 09:32:59,941 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states
[2018-02-02 09:32:59,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2018-02-02 09:32:59,941 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-02 09:32:59,942 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 3 states.
[2018-02-02 09:32:59,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:32:59,976 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions.
[2018-02-02 09:32:59,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2018-02-02 09:32:59,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24
[2018-02-02 09:32:59,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:32:59,978 INFO L225 Difference]: With dead ends: 40
[2018-02-02 09:32:59,978 INFO L226 Difference]: Without dead ends: 37
[2018-02-02 09:32:59,978 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2018-02-02 09:32:59,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2018-02-02 09:32:59,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2018-02-02 09:32:59,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states.
[2018-02-02 09:32:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions.
[2018-02-02 09:32:59,987 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 24
[2018-02-02 09:32:59,988 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:32:59,988 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions.
[2018-02-02 09:32:59,988 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2018-02-02 09:32:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions.
[2018-02-02 09:32:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2018-02-02 09:32:59,990 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:32:59,990 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, 1, 1, 1, 1, 1]
[2018-02-02 09:32:59,990 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:32:59,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1685081515, now seen corresponding path program 1 times
[2018-02-02 09:32:59,990 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:32:59,990 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:32:59,991 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,991 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:32:59,991 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:32:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:33:00,000 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:33:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:33:00,115 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:33:00,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2018-02-02 09:33:00,115 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-02-02 09:33:00,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-02-02 09:33:00,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2018-02-02 09:33:00,116 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 10 states.
[2018-02-02 09:33:00,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:33:00,201 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions.
[2018-02-02 09:33:00,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-02-02 09:33:00,201 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25
[2018-02-02 09:33:00,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:33:00,202 INFO L225 Difference]: With dead ends: 37
[2018-02-02 09:33:00,202 INFO L226 Difference]: Without dead ends: 30
[2018-02-02 09:33:00,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2018-02-02 09:33:00,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2018-02-02 09:33:00,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2018-02-02 09:33:00,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2018-02-02 09:33:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions.
[2018-02-02 09:33:00,205 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 25
[2018-02-02 09:33:00,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:33:00,205 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions.
[2018-02-02 09:33:00,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-02-02 09:33:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions.
[2018-02-02 09:33:00,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2018-02-02 09:33:00,206 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:33:00,206 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, 1, 1, 1, 1, 1, 1]
[2018-02-02 09:33:00,206 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:33:00,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1527636810, now seen corresponding path program 1 times
[2018-02-02 09:33:00,207 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:33:00,207 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:33:00,208 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:33:00,208 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:33:00,208 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:33:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:33:00,218 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:33:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:33:00,274 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:33:00,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2018-02-02 09:33:00,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states
[2018-02-02 09:33:00,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2018-02-02 09:33:00,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2018-02-02 09:33:00,275 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 10 states.
[2018-02-02 09:33:00,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:33:00,322 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions.
[2018-02-02 09:33:00,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-02-02 09:33:00,323 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26
[2018-02-02 09:33:00,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:33:00,324 INFO L225 Difference]: With dead ends: 30
[2018-02-02 09:33:00,324 INFO L226 Difference]: Without dead ends: 28
[2018-02-02 09:33:00,324 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2018-02-02 09:33:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2018-02-02 09:33:00,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2018-02-02 09:33:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states.
[2018-02-02 09:33:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions.
[2018-02-02 09:33:00,326 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 26
[2018-02-02 09:33:00,326 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:33:00,327 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions.
[2018-02-02 09:33:00,327 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2018-02-02 09:33:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions.
[2018-02-02 09:33:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2018-02-02 09:33:00,327 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 09:33:00,327 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, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 09:33:00,327 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]===
[2018-02-02 09:33:00,328 INFO L82 PathProgramCache]: Analyzing trace with hash -228650675, now seen corresponding path program 1 times
[2018-02-02 09:33:00,328 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 09:33:00,328 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 09:33:00,329 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:33:00,329 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 09:33:00,329 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 09:33:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 09:33:00,341 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 09:33:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 09:33:00,508 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 09:33:00,508 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2018-02-02 09:33:00,508 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-02-02 09:33:00,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-02-02 09:33:00,509 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2018-02-02 09:33:00,509 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 11 states.
[2018-02-02 09:33:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 09:33:00,610 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions.
[2018-02-02 09:33:00,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2018-02-02 09:33:00,610 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 27
[2018-02-02 09:33:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 09:33:00,611 INFO L225 Difference]: With dead ends: 27
[2018-02-02 09:33:00,611 INFO L226 Difference]: Without dead ends: 0
[2018-02-02 09:33:00,611 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2018-02-02 09:33:00,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-02-02 09:33:00,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-02-02 09:33:00,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-02-02 09:33:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-02-02 09:33:00,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27
[2018-02-02 09:33:00,612 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 09:33:00,612 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-02-02 09:33:00,612 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-02-02 09:33:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-02-02 09:33:00,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-02-02 09:33:00,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:33:00 BoogieIcfgContainer
[2018-02-02 09:33:00,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-02-02 09:33:00,616 INFO L168 Benchmark]: Toolchain (without parser) took 2168.05 ms. Allocated memory was 403.2 MB in the beginning and 630.2 MB in the end (delta: 227.0 MB). Free memory was 360.1 MB in the beginning and 544.6 MB in the end (delta: -184.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 5.3 GB.
[2018-02-02 09:33:00,617 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 403.2 MB. Free memory is still 366.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 09:33:00,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.34 ms. Allocated memory is still 403.2 MB. Free memory was 360.1 MB in the beginning and 346.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB.
[2018-02-02 09:33:00,617 INFO L168 Benchmark]: Boogie Preprocessor took 30.03 ms. Allocated memory is still 403.2 MB. Free memory was 346.9 MB in the beginning and 345.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-02 09:33:00,617 INFO L168 Benchmark]: RCFGBuilder took 190.74 ms. Allocated memory is still 403.2 MB. Free memory was 345.5 MB in the beginning and 331.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB.
[2018-02-02 09:33:00,617 INFO L168 Benchmark]: TraceAbstraction took 1786.91 ms. Allocated memory was 403.2 MB in the beginning and 630.2 MB in the end (delta: 227.0 MB). Free memory was 330.2 MB in the beginning and 544.6 MB in the end (delta: -214.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB.
[2018-02-02 09:33:00,618 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 403.2 MB. Free memory is still 366.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 157.34 ms. Allocated memory is still 403.2 MB. Free memory was 360.1 MB in the beginning and 346.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 30.03 ms. Allocated memory is still 403.2 MB. Free memory was 346.9 MB in the beginning and 345.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 190.74 ms. Allocated memory is still 403.2 MB. Free memory was 345.5 MB in the beginning and 331.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 1786.91 ms. Allocated memory was 403.2 MB in the beginning and 630.2 MB in the end (delta: 227.0 MB). Free memory was 330.2 MB in the beginning and 544.6 MB in the end (delta: -214.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 5.3 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 1449]: all allocated memory was freed
For all program executions holds that all allocated memory was freed at this location
- PositiveResult [Line: 1]: free always succeeds
For all program executions holds that free always succeeds at this location
- PositiveResult [Line: 1]: free always succeeds
For all program executions holds that free always succeeds at this location
- AllSpecificationsHoldResult: All specifications hold
3 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 33 locations, 3 error locations. SAFE Result, 1.7s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 196 SDtfs, 65 SDslu, 1168 SDs, 0 SdLazy, 579 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=1, 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, 8 MinimizatonAttempts, 25 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 15048 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_09-33-00-622.csv
Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_09-33-00-622.csv
Received shutdown request...