java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/memsafety-ext/tree_of_cslls_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:39:52,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:39:52,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:39:52,302 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:39:52,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:39:52,303 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:39:52,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:39:52,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:39:52,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:39:52,307 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:39:52,308 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:39:52,308 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:39:52,309 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:39:52,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:39:52,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:39:52,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:39:52,313 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:39:52,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:39:52,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:39:52,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:39:52,317 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:39:52,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:39:52,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:39:52,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:39:52,319 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:39:52,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:39:52,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:39:52,320 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:39:52,321 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:39:52,321 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:39:52,321 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:39:52,321 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:39:52,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:39:52,330 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:39:52,331 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:39:52,331 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:39:52,331 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:39:52,331 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:39:52,332 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:39:52,333 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:39:52,333 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:39:52,333 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:39:52,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:39:52,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:39:52,333 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:39:52,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:39:52,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:39:52,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:39:52,334 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:39:52,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:39:52,362 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:39:52,381 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:39:52,384 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:39:52,386 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:39:52,386 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:39:52,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_of_cslls_true-valid-memsafety.i [2018-02-04 04:39:52,512 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:39:52,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:39:52,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:39:52,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:39:52,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:39:52,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac502e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52, skipping insertion in model container [2018-02-04 04:39:52,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,530 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:39:52,557 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:39:52,650 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:39:52,668 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:39:52,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52 WrapperNode [2018-02-04 04:39:52,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:39:52,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:39:52,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:39:52,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:39:52,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... [2018-02-04 04:39:52,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:39:52,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:39:52,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:39:52,711 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:39:52,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:39:52,753 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:39:52,753 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:39:52,753 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:39:52,753 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:39:52,753 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:39:52,753 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:39:52,754 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:39:53,205 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:39:53,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:39:53 BoogieIcfgContainer [2018-02-04 04:39:53,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:39:53,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:39:53,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:39:53,208 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:39:53,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:39:52" (1/3) ... [2018-02-04 04:39:53,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ee669b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:39:53, skipping insertion in model container [2018-02-04 04:39:53,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:39:52" (2/3) ... [2018-02-04 04:39:53,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ee669b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:39:53, skipping insertion in model container [2018-02-04 04:39:53,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:39:53" (3/3) ... [2018-02-04 04:39:53,211 INFO L107 eAbstractionObserver]: Analyzing ICFG tree_of_cslls_true-valid-memsafety.i [2018-02-04 04:39:53,217 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:39:53,222 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 101 error locations. [2018-02-04 04:39:53,246 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:39:53,246 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:39:53,246 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:39:53,246 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:39:53,246 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:39:53,246 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:39:53,247 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:39:53,247 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:39:53,247 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:39:53,260 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2018-02-04 04:39:53,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:39:53,267 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:53,268 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:53,268 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr96RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr100EnsuresViolation, mainErr87RequiresViolation, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr92RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr93RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr97RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr99RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr98RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:53,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1603684078, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:39:53,279 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:53,298 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:39:53,305 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:53,305 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:53,306 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:53,306 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:53,339 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:39:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:53,394 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:39:53,394 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:39:53,394 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:39:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:53,395 INFO L182 omatonBuilderFactory]: Interpolants [224#false, 228#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 229#(= 1 (select |#valid| |main_#t~malloc0.base|)), 230#(= 1 (select |#valid| main_~tree~0.base)), 231#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 223#true] [2018-02-04 04:39:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:53,397 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:39:53,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:39:53,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:39:53,407 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 6 states. [2018-02-04 04:39:54,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:39:54,015 INFO L93 Difference]: Finished difference Result 325 states and 349 transitions. [2018-02-04 04:39:54,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 04:39:54,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:39:54,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:39:54,028 INFO L225 Difference]: With dead ends: 325 [2018-02-04 04:39:54,029 INFO L226 Difference]: Without dead ends: 321 [2018-02-04 04:39:54,030 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=35, Unknown=3, NotChecked=12, Total=72 [2018-02-04 04:39:54,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-02-04 04:39:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 208. [2018-02-04 04:39:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-04 04:39:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 224 transitions. [2018-02-04 04:39:54,147 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 224 transitions. Word has length 8 [2018-02-04 04:39:54,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:39:54,148 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 224 transitions. [2018-02-04 04:39:54,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:39:54,148 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 224 transitions. [2018-02-04 04:39:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:39:54,148 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:54,148 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:54,148 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr96RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr100EnsuresViolation, mainErr87RequiresViolation, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr92RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr93RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr97RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr99RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr98RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:54,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1603684077, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:39:54,152 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:54,159 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:39:54,162 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,162 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,163 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,163 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,175 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:39:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:54,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:54,235 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:39:54,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:39:54,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:39:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:54,236 INFO L182 omatonBuilderFactory]: Interpolants [771#true, 772#false, 776#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 777#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 778#(and (<= (+ main_~tree~0.offset 4) (select |#length| main_~tree~0.base)) (<= 0 main_~tree~0.offset)), 779#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:39:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:54,237 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:39:54,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:39:54,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:39:54,238 INFO L87 Difference]: Start difference. First operand 208 states and 224 transitions. Second operand 6 states. [2018-02-04 04:39:54,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:39:54,581 INFO L93 Difference]: Finished difference Result 207 states and 223 transitions. [2018-02-04 04:39:54,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:39:54,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:39:54,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:39:54,582 INFO L225 Difference]: With dead ends: 207 [2018-02-04 04:39:54,582 INFO L226 Difference]: Without dead ends: 207 [2018-02-04 04:39:54,583 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:39:54,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-02-04 04:39:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-02-04 04:39:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-02-04 04:39:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 223 transitions. [2018-02-04 04:39:54,589 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 223 transitions. Word has length 8 [2018-02-04 04:39:54,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:39:54,589 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 223 transitions. [2018-02-04 04:39:54,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:39:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 223 transitions. [2018-02-04 04:39:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 04:39:54,590 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:54,590 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:54,590 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr96RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr100EnsuresViolation, mainErr87RequiresViolation, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr92RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr93RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr97RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr99RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr98RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:54,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1825401115, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:39:54,593 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:54,599 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:39:54,603 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,603 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,604 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,604 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:39:54,625 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:39:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:54,660 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:39:54,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:39:54,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:39:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:54,661 INFO L182 omatonBuilderFactory]: Interpolants [1203#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1204#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1205#(and (<= (+ main_~tree~0.offset 8) (select |#length| main_~tree~0.base)) (<= 0 (+ main_~tree~0.offset 4))), 1206#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1198#true, 1199#false] [2018-02-04 04:39:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:39:54,661 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:39:54,661 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:39:54,661 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:39:54,661 INFO L87 Difference]: Start difference. First operand 207 states and 223 transitions. Second operand 6 states. [2018-02-04 04:39:54,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:39:54,911 INFO L93 Difference]: Finished difference Result 206 states and 222 transitions. [2018-02-04 04:39:54,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:39:54,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 04:39:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:39:54,912 INFO L225 Difference]: With dead ends: 206 [2018-02-04 04:39:54,913 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 04:39:54,913 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 04:39:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 04:39:54,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2018-02-04 04:39:54,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-02-04 04:39:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 222 transitions. [2018-02-04 04:39:54,918 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 222 transitions. Word has length 9 [2018-02-04 04:39:54,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:39:54,918 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 222 transitions. [2018-02-04 04:39:54,918 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:39:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 222 transitions. [2018-02-04 04:39:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 04:39:54,918 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:39:54,919 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:39:54,919 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr82RequiresViolation, mainErr74RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr85RequiresViolation, mainErr55RequiresViolation, mainErr42RequiresViolation, mainErr90RequiresViolation, mainErr63RequiresViolation, mainErr77RequiresViolation, mainErr44RequiresViolation, mainErr96RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr84RequiresViolation, mainErr61RequiresViolation, mainErr100EnsuresViolation, mainErr87RequiresViolation, mainErr21RequiresViolation, mainErr56RequiresViolation, mainErr79RequiresViolation, mainErr92RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr95RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr22RequiresViolation, mainErr88RequiresViolation, mainErr93RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr86RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr51RequiresViolation, mainErr94RequiresViolation, mainErr54RequiresViolation, mainErr38RequiresViolation, mainErr97RequiresViolation, mainErr0RequiresViolation, mainErr46RequiresViolation, mainErr89RequiresViolation, mainErr91RequiresViolation, mainErr3RequiresViolation, mainErr62RequiresViolation, mainErr49RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr78RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr76RequiresViolation, mainErr43RequiresViolation, mainErr83RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr41RequiresViolation, mainErr99RequiresViolation, mainErr64RequiresViolation, mainErr72RequiresViolation, mainErr81RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr68RequiresViolation, mainErr75RequiresViolation, mainErr19RequiresViolation, mainErr98RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr80RequiresViolation, mainErr67RequiresViolation, mainErr34RequiresViolation, mainErr73RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:39:54,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1863813244, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:39:54,929 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:39:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:39:54,952 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_9| |main_#t~malloc0.base_5|))) (* (- 1) (select |#length_9| |main_#t~malloc0.base_5|))))) (rewrite a!1)) [2018-02-04 04:39:54,953 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 80 column 255: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:39:54,955 INFO L168 Benchmark]: Toolchain (without parser) took 2442.65 ms. Allocated memory was 389.5 MB in the beginning and 605.6 MB in the end (delta: 216.0 MB). Free memory was 346.2 MB in the beginning and 423.8 MB in the end (delta: -77.5 MB). Peak memory consumption was 138.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:54,956 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 389.5 MB. Free memory is still 352.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:39:54,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.61 ms. Allocated memory is still 389.5 MB. Free memory was 346.2 MB in the beginning and 334.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:54,957 INFO L168 Benchmark]: Boogie Preprocessor took 33.35 ms. Allocated memory is still 389.5 MB. Free memory was 334.3 MB in the beginning and 333.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:54,957 INFO L168 Benchmark]: RCFGBuilder took 494.37 ms. Allocated memory is still 389.5 MB. Free memory was 333.0 MB in the beginning and 278.6 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:54,957 INFO L168 Benchmark]: TraceAbstraction took 1748.80 ms. Allocated memory was 389.5 MB in the beginning and 605.6 MB in the end (delta: 216.0 MB). Free memory was 277.3 MB in the beginning and 423.8 MB in the end (delta: -146.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:39:54,959 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 389.5 MB. Free memory is still 352.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 163.61 ms. Allocated memory is still 389.5 MB. Free memory was 346.2 MB in the beginning and 334.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.35 ms. Allocated memory is still 389.5 MB. Free memory was 334.3 MB in the beginning and 333.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 494.37 ms. Allocated memory is still 389.5 MB. Free memory was 333.0 MB in the beginning and 278.6 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1748.80 ms. Allocated memory was 389.5 MB in the beginning and 605.6 MB in the end (delta: 216.0 MB). Free memory was 277.3 MB in the beginning and 423.8 MB in the end (delta: -146.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 80 column 255: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 80 column 255: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/tree_of_cslls_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-39-54-965.csv Received shutdown request...