java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --traceabstraction.dump.automata.to.the.following.directory dump --rcfgbuilder.size.of.a.code.block SingleStatement --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-memsafety/rec_strlen-alloca_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-c5b1954-m
[2018-10-10 14:42:40,140 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-10-10 14:42:40,144 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-10-10 14:42:40,165 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-10-10 14:42:40,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-10-10 14:42:40,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-10-10 14:42:40,170 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-10-10 14:42:40,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-10-10 14:42:40,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-10-10 14:42:40,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-10-10 14:42:40,182 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-10-10 14:42:40,186 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-10-10 14:42:40,187 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2018-10-10 14:42:40,188 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-10-10 14:42:40,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-10-10 14:42:40,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-10-10 14:42:40,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-10-10 14:42:40,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-10-10 14:42:40,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-10-10 14:42:40,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-10-10 14:42:40,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-10-10 14:42:40,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-10-10 14:42:40,202 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-10-10 14:42:40,202 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-10-10 14:42:40,202 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-10-10 14:42:40,203 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-10-10 14:42:40,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-10-10 14:42:40,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values
[2018-10-10 14:42:40,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-10-10 14:42:40,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-10-10 14:42:40,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-10-10 14:42:40,213 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-10-10 14:42:40,213 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring...
[2018-10-10 14:42:40,213 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values
[2018-10-10 14:42:40,217 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-10-10 14:42:40,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-10-10 14:42:40,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2018-10-10 14:42:40,240 INFO L110 SettingsManager]: Loading preferences was successful
[2018-10-10 14:42:40,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-10-10 14:42:40,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-10-10 14:42:40,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-10-10 14:42:40,242 INFO L133 SettingsManager]: * Use SBE=true
[2018-10-10 14:42:40,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-10-10 14:42:40,242 INFO L133 SettingsManager]: * sizeof long=4
[2018-10-10 14:42:40,243 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-10-10 14:42:40,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-10-10 14:42:40,243 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-10-10 14:42:40,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-10-10 14:42:40,244 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-10-10 14:42:40,244 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-10-10 14:42:40,244 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-10-10 14:42:40,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-10-10 14:42:40,244 INFO L133 SettingsManager]: * sizeof long double=12
[2018-10-10 14:42:40,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-10-10 14:42:40,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-10-10 14:42:40,245 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-10-10 14:42:40,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-10-10 14:42:40,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-10-10 14:42:40,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-10-10 14:42:40,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-10-10 14:42:40,246 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-10-10 14:42:40,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2018-10-10 14:42:40,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Dump automata to the following directory -> dump
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false
[2018-10-10 14:42:40,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-10-10 14:42:40,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-10-10 14:42:40,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-10-10 14:42:40,338 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-10-10 14:42:40,339 INFO L276 PluginConnector]: CDTParser initialized
[2018-10-10 14:42:40,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/rec_strlen-alloca_true-valid-memsafety_true-termination.i
[2018-10-10 14:42:40,729 INFO L217 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28fca66cd/84348e69949349658e5cc7d741915e25/FLAG5e2b308a5
[2018-10-10 14:42:41,044 INFO L289 CDTParser]: Found 1 translation units.
[2018-10-10 14:42:41,046 INFO L157 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/rec_strlen-alloca_true-valid-memsafety_true-termination.i
[2018-10-10 14:42:41,064 INFO L337 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28fca66cd/84348e69949349658e5cc7d741915e25/FLAG5e2b308a5
[2018-10-10 14:42:41,088 INFO L345 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28fca66cd/84348e69949349658e5cc7d741915e25
[2018-10-10 14:42:41,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-10-10 14:42:41,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements.
[2018-10-10 14:42:41,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-10-10 14:42:41,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-10-10 14:42:41,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-10-10 14:42:41,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47623d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41, skipping insertion in model container
[2018-10-10 14:42:41,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2018-10-10 14:42:41,184 INFO L174 MainTranslator]: Built tables and reachable declarations
[2018-10-10 14:42:41,438 INFO L202 PostProcessor]: Analyzing one entry point: main
[2018-10-10 14:42:41,448 INFO L189 MainTranslator]: Completed pre-run
[2018-10-10 14:42:41,497 INFO L202 PostProcessor]: Analyzing one entry point: main
[2018-10-10 14:42:41,561 INFO L193 MainTranslator]: Completed translation
[2018-10-10 14:42:41,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41 WrapperNode
[2018-10-10 14:42:41,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-10-10 14:42:41,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-10-10 14:42:41,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-10-10 14:42:41,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized
[2018-10-10 14:42:41,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-10-10 14:42:41,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-10-10 14:42:41,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-10-10 14:42:41,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-10-10 14:42:41,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
[2018-10-10 14:42:41,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-10-10 14:42:41,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-10-10 14:42:41,642 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-10-10 14:42:41,642 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-10-10 14:42:41,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (1/1) ...
No working directory specified, using /storage/repos/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
[2018-10-10 14:42:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure strlen_rec
[2018-10-10 14:42:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure strlen_rec
[2018-10-10 14:42:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-10-10 14:42:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-10-10 14:42:42,309 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-10-10 14:42:42,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:42:42 BoogieIcfgContainer
[2018-10-10 14:42:42,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-10-10 14:42:42,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-10-10 14:42:42,312 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-10-10 14:42:42,315 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-10-10 14:42:42,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.10 02:42:41" (1/3) ...
[2018-10-10 14:42:42,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b034b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:42:42, skipping insertion in model container
[2018-10-10 14:42:42,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.10 02:42:41" (2/3) ...
[2018-10-10 14:42:42,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b034b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:42:42, skipping insertion in model container
[2018-10-10 14:42:42,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:42:42" (3/3) ...
[2018-10-10 14:42:42,319 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_strlen-alloca_true-valid-memsafety_true-termination.i
[2018-10-10 14:42:42,330 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-10-10 14:42:42,342 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations.
[2018-10-10 14:42:42,360 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2018-10-10 14:42:42,387 INFO L133 ementStrategyFactory]: Using default assertion order modulation
[2018-10-10 14:42:42,388 INFO L382 AbstractCegarLoop]: Interprodecural is true
[2018-10-10 14:42:42,388 INFO L383 AbstractCegarLoop]: Hoare is false
[2018-10-10 14:42:42,388 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-10-10 14:42:42,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2018-10-10 14:42:42,389 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-10-10 14:42:42,389 INFO L387 AbstractCegarLoop]: Difference is false
[2018-10-10 14:42:42,389 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-10-10 14:42:42,390 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-10-10 14:42:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states.
[2018-10-10 14:42:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2018-10-10 14:42:42,426 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:42,427 INFO L375 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, 1, 1]
[2018-10-10 14:42:42,430 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:42,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:42,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1662470226, now seen corresponding path program 1 times
[2018-10-10 14:42:42,439 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:42,440 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:42,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:42,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:42,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:42,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:42,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-10 14:42:42,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-10-10 14:42:42,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-10-10 14:42:42,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-10-10 14:42:42,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2018-10-10 14:42:42,783 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states.
[2018-10-10 14:42:43,386 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15
[2018-10-10 14:42:43,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-10 14:42:43,517 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions.
[2018-10-10 14:42:43,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-10-10 14:42:43,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29
[2018-10-10 14:42:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-10 14:42:43,530 INFO L225 Difference]: With dead ends: 77
[2018-10-10 14:42:43,530 INFO L226 Difference]: Without dead ends: 72
[2018-10-10 14:42:43,532 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2018-10-10 14:42:43,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2018-10-10 14:42:43,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2018-10-10 14:42:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states.
[2018-10-10 14:42:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions.
[2018-10-10 14:42:43,580 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 29
[2018-10-10 14:42:43,581 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-10 14:42:43,581 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions.
[2018-10-10 14:42:43,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-10-10 14:42:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions.
[2018-10-10 14:42:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2018-10-10 14:42:43,582 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:43,582 INFO L375 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, 1, 1, 1]
[2018-10-10 14:42:43,583 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:43,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:43,583 INFO L82 PathProgramCache]: Analyzing trace with hash 3030614, now seen corresponding path program 1 times
[2018-10-10 14:42:43,583 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:43,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:43,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:43,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:43,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:43,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-10 14:42:43,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-10-10 14:42:43,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-10-10 14:42:43,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-10-10 14:42:43,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2018-10-10 14:42:43,938 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 9 states.
[2018-10-10 14:42:44,155 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 18
[2018-10-10 14:42:44,404 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 23
[2018-10-10 14:42:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-10 14:42:44,593 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions.
[2018-10-10 14:42:44,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2018-10-10 14:42:44,593 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30
[2018-10-10 14:42:44,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-10 14:42:44,595 INFO L225 Difference]: With dead ends: 71
[2018-10-10 14:42:44,595 INFO L226 Difference]: Without dead ends: 71
[2018-10-10 14:42:44,596 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182
[2018-10-10 14:42:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2018-10-10 14:42:44,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2018-10-10 14:42:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states.
[2018-10-10 14:42:44,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions.
[2018-10-10 14:42:44,605 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 30
[2018-10-10 14:42:44,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-10 14:42:44,606 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions.
[2018-10-10 14:42:44,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-10-10 14:42:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions.
[2018-10-10 14:42:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2018-10-10 14:42:44,608 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:44,608 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-10 14:42:44,609 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:44,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:44,609 INFO L82 PathProgramCache]: Analyzing trace with hash 480374054, now seen corresponding path program 1 times
[2018-10-10 14:42:44,609 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:44,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:44,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:44,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:44,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:44,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-10 14:42:44,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-10-10 14:42:44,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-10-10 14:42:44,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-10-10 14:42:44,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2018-10-10 14:42:44,754 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand 8 states.
[2018-10-10 14:42:45,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-10 14:42:45,143 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions.
[2018-10-10 14:42:45,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2018-10-10 14:42:45,148 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40
[2018-10-10 14:42:45,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-10 14:42:45,150 INFO L225 Difference]: With dead ends: 70
[2018-10-10 14:42:45,150 INFO L226 Difference]: Without dead ends: 70
[2018-10-10 14:42:45,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2018-10-10 14:42:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2018-10-10 14:42:45,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2018-10-10 14:42:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states.
[2018-10-10 14:42:45,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions.
[2018-10-10 14:42:45,160 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 40
[2018-10-10 14:42:45,160 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-10 14:42:45,161 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions.
[2018-10-10 14:42:45,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-10-10 14:42:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions.
[2018-10-10 14:42:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2018-10-10 14:42:45,165 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:45,166 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-10 14:42:45,166 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:45,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:45,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2006693883, now seen corresponding path program 1 times
[2018-10-10 14:42:45,167 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:45,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:45,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:45,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:45,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:45,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-10 14:42:45,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2018-10-10 14:42:45,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states
[2018-10-10 14:42:45,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2018-10-10 14:42:45,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2018-10-10 14:42:45,433 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 11 states.
[2018-10-10 14:42:45,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-10 14:42:45,907 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions.
[2018-10-10 14:42:45,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2018-10-10 14:42:45,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41
[2018-10-10 14:42:45,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-10 14:42:45,910 INFO L225 Difference]: With dead ends: 91
[2018-10-10 14:42:45,910 INFO L226 Difference]: Without dead ends: 91
[2018-10-10 14:42:45,911 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342
[2018-10-10 14:42:45,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2018-10-10 14:42:45,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2018-10-10 14:42:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states.
[2018-10-10 14:42:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions.
[2018-10-10 14:42:45,922 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 41
[2018-10-10 14:42:45,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-10 14:42:45,922 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions.
[2018-10-10 14:42:45,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2018-10-10 14:42:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions.
[2018-10-10 14:42:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2018-10-10 14:42:45,924 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:45,924 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-10 14:42:45,925 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:45,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:45,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1278922073, now seen corresponding path program 1 times
[2018-10-10 14:42:45,926 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:45,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:45,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:45,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:45,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:46,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-10-10 14:42:46,684 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-10-10 14:42:46,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:46,745 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-10-10 14:42:46,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-10-10 14:42:46,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:46,950 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:46,951 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9
[2018-10-10 14:42:47,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13
[2018-10-10 14:42:47,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12
[2018-10-10 14:42:47,201 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:47,206 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:47,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:47,211 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:20, output treesize:16
[2018-10-10 14:42:47,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15
[2018-10-10 14:42:47,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12
[2018-10-10 14:42:47,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts.
[2018-10-10 14:42:47,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts.
[2018-10-10 14:42:47,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts.
[2018-10-10 14:42:47,578 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:27
[2018-10-10 14:42:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:48,021 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-10-10 14:42:48,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34
[2018-10-10 14:42:48,057 WARN L240 PathProgramDumper]: Writing path program to file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/dump/rec_strlen-alloca_true-valid-memsafety_true-termination.i_5.bpl
[2018-10-10 14:42:48,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states
[2018-10-10 14:42:48,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2018-10-10 14:42:48,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=1099, Unknown=0, NotChecked=0, Total=1190
[2018-10-10 14:42:48,063 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand 35 states.
[2018-10-10 14:42:49,624 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45
[2018-10-10 14:42:50,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-10 14:42:50,500 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions.
[2018-10-10 14:42:50,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2018-10-10 14:42:50,504 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 55
[2018-10-10 14:42:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-10 14:42:50,508 INFO L225 Difference]: With dead ends: 114
[2018-10-10 14:42:50,508 INFO L226 Difference]: Without dead ends: 114
[2018-10-10 14:42:50,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=300, Invalid=2250, Unknown=0, NotChecked=0, Total=2550
[2018-10-10 14:42:50,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2018-10-10 14:42:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112.
[2018-10-10 14:42:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states.
[2018-10-10 14:42:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions.
[2018-10-10 14:42:50,522 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 55
[2018-10-10 14:42:50,523 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-10 14:42:50,523 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions.
[2018-10-10 14:42:50,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states.
[2018-10-10 14:42:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions.
[2018-10-10 14:42:50,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2018-10-10 14:42:50,525 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:50,525 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-10 14:42:50,526 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:50,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:50,526 INFO L82 PathProgramCache]: Analyzing trace with hash -811431594, now seen corresponding path program 1 times
[2018-10-10 14:42:50,527 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:50,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:50,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:50,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:50,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:50,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-10-10 14:42:50,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2018-10-10 14:42:50,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states
[2018-10-10 14:42:50,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2018-10-10 14:42:50,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2018-10-10 14:42:50,775 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand 9 states.
[2018-10-10 14:42:51,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-10-10 14:42:51,012 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions.
[2018-10-10 14:42:51,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2018-10-10 14:42:51,013 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62
[2018-10-10 14:42:51,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-10-10 14:42:51,014 INFO L225 Difference]: With dead ends: 111
[2018-10-10 14:42:51,014 INFO L226 Difference]: Without dead ends: 80
[2018-10-10 14:42:51,014 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272
[2018-10-10 14:42:51,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2018-10-10 14:42:51,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 71.
[2018-10-10 14:42:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states.
[2018-10-10 14:42:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions.
[2018-10-10 14:42:51,020 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 62
[2018-10-10 14:42:51,020 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-10-10 14:42:51,020 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions.
[2018-10-10 14:42:51,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2018-10-10 14:42:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions.
[2018-10-10 14:42:51,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2018-10-10 14:42:51,022 INFO L367 BasicCegarLoop]: Found error trace
[2018-10-10 14:42:51,022 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-10-10 14:42:51,022 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK, strlen_recErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, strlen_recErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE]===
[2018-10-10 14:42:51,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier
[2018-10-10 14:42:51,023 INFO L82 PathProgramCache]: Analyzing trace with hash -465792941, now seen corresponding path program 2 times
[2018-10-10 14:42:51,023 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-10-10 14:42:51,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-10-10 14:42:51,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:51,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-10-10 14:42:51,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY
[2018-10-10 14:42:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-10-10 14:42:51,600 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 10
[2018-10-10 14:42:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:52,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-10-10 14:42:52,450 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000
[2018-10-10 14:42:52,465 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1
[2018-10-10 14:42:52,513 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2018-10-10 14:42:52,513 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat
[2018-10-10 14:42:52,519 INFO L273 TraceCheckSpWp]: Computing forward predicates...
[2018-10-10 14:42:52,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2018-10-10 14:42:52,556 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:52,592 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:52,593 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14
[2018-10-10 14:42:52,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8
[2018-10-10 14:42:52,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7
[2018-10-10 14:42:52,661 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:52,663 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-10-10 14:42:52,670 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2018-10-10 14:42:52,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:29
[2018-10-10 14:42:53,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2018-10-10 14:42:53,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 8
[2018-10-10 14:42:53,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts.
[2018-10-10 14:42:53,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts.
[2018-10-10 14:42:53,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts.
[2018-10-10 14:42:53,454 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:42, output treesize:33
[2018-10-10 14:42:53,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-10-10 14:42:53,659 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-10-10 14:42:53,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 31
[2018-10-10 14:42:53,660 WARN L550 AbstractCegarLoop]: Verification canceled
[2018-10-10 14:42:53,665 WARN L205 ceAbstractionStarter]: Timeout
[2018-10-10 14:42:53,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:42:53 BoogieIcfgContainer
[2018-10-10 14:42:53,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-10-10 14:42:53,667 INFO L168 Benchmark]: Toolchain (without parser) took 12564.40 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 852.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -636.9 MB). Peak memory consumption was 215.6 MB. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,668 INFO L168 Benchmark]: CDTParser took 1.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,670 INFO L168 Benchmark]: Boogie Preprocessor took 25.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,670 INFO L168 Benchmark]: RCFGBuilder took 669.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -762.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,671 INFO L168 Benchmark]: TraceAbstraction took 11354.08 ms. Allocated memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: 134.7 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 89.3 MB). Peak memory consumption was 224.0 MB. Max. memory is 7.1 GB.
[2018-10-10 14:42:53,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 457.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB.
* Boogie Procedure Inliner took 53.04 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
* Boogie Preprocessor took 25.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB.
* RCFGBuilder took 669.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.8 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -762.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 11354.08 ms. Allocated memory was 2.2 GB in the beginning and 2.4 GB in the end (delta: 134.7 MB). Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 89.3 MB). Peak memory consumption was 224.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 7).
- TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 7).
- TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction)
Unable to prove that all allocated memory was freed (line 546). Cancelled while PathProgramDumpController was trying to verify (iteration 7).
- TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 7).
- TimeoutResultAtElement [Line: -1]: Timeout (TraceAbstraction)
Unable to prove that pointer dereference always succeeds (line -1). Cancelled while PathProgramDumpController was trying to verify (iteration 7).
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 78 locations, 5 error locations. TIMEOUT Result, 11.2s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 364 SDtfs, 1105 SDslu, 1887 SDs, 0 SdLazy, 1126 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=5, 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, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 97423 SizeOfPredicates, 23 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 0/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Received shutdown request...