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_parent_ptr_true-valid-memsafety_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:38:19,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:38:19,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:38:19,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:38:19,312 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:38:19,313 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:38:19,313 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:38:19,315 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:38:19,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:38:19,316 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:38:19,317 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:38:19,317 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:38:19,318 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:38:19,319 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:38:19,320 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:38:19,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:38:19,323 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:38:19,324 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:38:19,325 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:38:19,326 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:38:19,328 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:38:19,328 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:38:19,328 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:38:19,329 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:38:19,330 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:38:19,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:38:19,331 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:38:19,331 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:38:19,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:38:19,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:38:19,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:38:19,332 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 20:38:19,342 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:38:19,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:38:19,343 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:38:19,343 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:38:19,343 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:38:19,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:38:19,344 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:38:19,344 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:38:19,344 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:38:19,344 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:38:19,344 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:38:19,345 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:38:19,345 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:38:19,345 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:38:19,345 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:38:19,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:38:19,345 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:38:19,346 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:38:19,346 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:38:19,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:38:19,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:38:19,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:38:19,346 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:38:19,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:38:19,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:38:19,383 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:38:19,386 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:38:19,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:38:19,387 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:38:19,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/tree_parent_ptr_true-valid-memsafety_false-termination.i [2018-02-04 20:38:19,538 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:38:19,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:38:19,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:38:19,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:38:19,544 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:38:19,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13c55627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19, skipping insertion in model container [2018-02-04 20:38:19,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,561 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:38:19,589 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:38:19,679 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:38:19,694 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:38:19,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19 WrapperNode [2018-02-04 20:38:19,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:38:19,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:38:19,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:38:19,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:38:19,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (1/1) ... [2018-02-04 20:38:19,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:38:19,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:38:19,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:38:19,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:38:19,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (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 20:38:19,761 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:38:19,762 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:38:19,762 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:38:19,762 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:38:19,763 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:38:19,763 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:38:19,763 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:38:19,763 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:38:20,170 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:38:20,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:38:20 BoogieIcfgContainer [2018-02-04 20:38:20,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:38:20,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:38:20,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:38:20,173 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:38:20,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:38:19" (1/3) ... [2018-02-04 20:38:20,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e60005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:38:20, skipping insertion in model container [2018-02-04 20:38:20,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:38:19" (2/3) ... [2018-02-04 20:38:20,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26e60005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:38:20, skipping insertion in model container [2018-02-04 20:38:20,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:38:20" (3/3) ... [2018-02-04 20:38:20,176 INFO L107 eAbstractionObserver]: Analyzing ICFG tree_parent_ptr_true-valid-memsafety_false-termination.i [2018-02-04 20:38:20,181 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:38:20,186 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 75 error locations. [2018-02-04 20:38:20,219 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:38:20,219 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:38:20,219 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:38:20,219 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:38:20,220 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:38:20,220 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:38:20,220 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:38:20,220 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:38:20,221 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:38:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-02-04 20:38:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:38:20,243 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:38:20,244 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:38:20,244 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr74EnsuresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:38:20,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1759036932, 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 20:38:20,257 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:38:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:20,280 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:38:20,290 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,291 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,292 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,292 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,337 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 20:38:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:20,365 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 20:38:20,395 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:38:20,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:38:20,396 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:38:20,397 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 20:38:20,397 INFO L182 omatonBuilderFactory]: Interpolants [167#true, 168#false, 172#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 173#(= 1 (select |#valid| |main_#t~malloc0.base|)), 174#(= 1 (select |#valid| main_~root~0.base)), 175#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:38:20,397 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 20:38:20,398 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:38:20,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:38:20,406 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:38:20,407 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 6 states. [2018-02-04 20:38:20,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:38:20,822 INFO L93 Difference]: Finished difference Result 178 states and 189 transitions. [2018-02-04 20:38:20,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 20:38:20,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 20:38:20,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:38:20,831 INFO L225 Difference]: With dead ends: 178 [2018-02-04 20:38:20,831 INFO L226 Difference]: Without dead ends: 174 [2018-02-04 20:38:20,833 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=35, Unknown=3, NotChecked=12, Total=72 [2018-02-04 20:38:20,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-02-04 20:38:20,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 158. [2018-02-04 20:38:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-02-04 20:38:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2018-02-04 20:38:20,910 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 8 [2018-02-04 20:38:20,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:38:20,910 INFO L432 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2018-02-04 20:38:20,910 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:38:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2018-02-04 20:38:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:38:20,910 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:38:20,911 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:38:20,911 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr74EnsuresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:38:20,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1759036931, 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 20:38:20,914 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:38:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:20,920 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:38:20,921 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,921 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,921 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,922 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:20,943 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 20:38:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:20,967 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 20:38:20,987 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:38:20,988 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:38:20,988 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:38:20,988 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 20:38:20,988 INFO L182 omatonBuilderFactory]: Interpolants [518#true, 519#false, 523#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 524#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 525#(and (<= (+ main_~root~0.offset 4) (select |#length| main_~root~0.base)) (<= 0 main_~root~0.offset)), 526#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:38:20,989 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 20:38:20,990 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:38:20,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:38:20,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:38:20,990 INFO L87 Difference]: Start difference. First operand 158 states and 168 transitions. Second operand 6 states. [2018-02-04 20:38:21,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:38:21,307 INFO L93 Difference]: Finished difference Result 196 states and 214 transitions. [2018-02-04 20:38:21,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:38:21,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 20:38:21,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:38:21,309 INFO L225 Difference]: With dead ends: 196 [2018-02-04 20:38:21,309 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 20:38:21,310 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 20:38:21,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 20:38:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 157. [2018-02-04 20:38:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-02-04 20:38:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 167 transitions. [2018-02-04 20:38:21,318 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 167 transitions. Word has length 8 [2018-02-04 20:38:21,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:38:21,318 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 167 transitions. [2018-02-04 20:38:21,318 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:38:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 167 transitions. [2018-02-04 20:38:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 20:38:21,319 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:38:21,319 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:38:21,319 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr74EnsuresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:38:21,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1304429937, 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 20:38:21,322 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:38:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:21,331 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:38:21,333 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,333 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,333 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,333 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,381 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 20:38:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:21,467 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 20:38:21,496 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:38:21,496 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:38:21,496 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:38:21,496 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 20:38:21,496 INFO L182 omatonBuilderFactory]: Interpolants [884#true, 885#false, 889#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 890#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 891#(and (<= (+ main_~root~0.offset 8) (select |#length| main_~root~0.base)) (<= 0 (+ main_~root~0.offset 4))), 892#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:38:21,497 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 20:38:21,497 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:38:21,497 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:38:21,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:38:21,497 INFO L87 Difference]: Start difference. First operand 157 states and 167 transitions. Second operand 6 states. [2018-02-04 20:38:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:38:21,807 INFO L93 Difference]: Finished difference Result 195 states and 213 transitions. [2018-02-04 20:38:21,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:38:21,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 20:38:21,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:38:21,808 INFO L225 Difference]: With dead ends: 195 [2018-02-04 20:38:21,808 INFO L226 Difference]: Without dead ends: 195 [2018-02-04 20:38:21,809 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:38:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-02-04 20:38:21,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 156. [2018-02-04 20:38:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 20:38:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 166 transitions. [2018-02-04 20:38:21,815 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 166 transitions. Word has length 9 [2018-02-04 20:38:21,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:38:21,815 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 166 transitions. [2018-02-04 20:38:21,815 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:38:21,815 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2018-02-04 20:38:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:38:21,816 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:38:21,816 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:38:21,816 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr74EnsuresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:38:21,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1782622336, 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 20:38:21,821 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:38:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:21,830 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:38:21,832 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,832 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,833 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,833 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:38:21,838 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 20:38:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:21,856 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 20:38:21,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:38:21,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:38:21,872 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:38:21,873 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 20:38:21,873 INFO L182 omatonBuilderFactory]: Interpolants [1248#true, 1249#false, 1253#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1254#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1255#(and (<= 0 (+ main_~root~0.offset 8)) (<= (+ main_~root~0.offset 12) (select |#length| main_~root~0.base))), 1256#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:38:21,873 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 20:38:21,873 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:38:21,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:38:21,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:38:21,873 INFO L87 Difference]: Start difference. First operand 156 states and 166 transitions. Second operand 6 states. [2018-02-04 20:38:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:38:22,130 INFO L93 Difference]: Finished difference Result 194 states and 212 transitions. [2018-02-04 20:38:22,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:38:22,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 20:38:22,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:38:22,132 INFO L225 Difference]: With dead ends: 194 [2018-02-04 20:38:22,132 INFO L226 Difference]: Without dead ends: 194 [2018-02-04 20:38:22,132 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=4, NotChecked=10, Total=56 [2018-02-04 20:38:22,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-02-04 20:38:22,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 155. [2018-02-04 20:38:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-02-04 20:38:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2018-02-04 20:38:22,139 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 10 [2018-02-04 20:38:22,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:38:22,139 INFO L432 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2018-02-04 20:38:22,139 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:38:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2018-02-04 20:38:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 20:38:22,140 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:38:22,140 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:38:22,140 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr69RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr71RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr70RequiresViolation, mainErr17RequiresViolation, mainErr74EnsuresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr72RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr68RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr73RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:38:22,140 INFO L82 PathProgramCache]: Analyzing trace with hash -2080332291, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:38:22,147 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:38:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:38:22,191 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 84 column 283: 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:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) 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 20:38:22,194 INFO L168 Benchmark]: Toolchain (without parser) took 2656.23 ms. Allocated memory was 403.7 MB in the beginning and 600.3 MB in the end (delta: 196.6 MB). Free memory was 360.6 MB in the beginning and 373.4 MB in the end (delta: -12.8 MB). Peak memory consumption was 183.8 MB. Max. memory is 5.3 GB. [2018-02-04 20:38:22,196 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:38:22,196 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.18 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 350.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:38:22,197 INFO L168 Benchmark]: Boogie Preprocessor took 28.74 ms. Allocated memory is still 403.7 MB. Free memory was 350.0 MB in the beginning and 347.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. [2018-02-04 20:38:22,197 INFO L168 Benchmark]: RCFGBuilder took 442.35 ms. Allocated memory is still 403.7 MB. Free memory was 347.3 MB in the beginning and 305.3 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 5.3 GB. [2018-02-04 20:38:22,197 INFO L168 Benchmark]: TraceAbstraction took 2022.21 ms. Allocated memory was 403.7 MB in the beginning and 600.3 MB in the end (delta: 196.6 MB). Free memory was 305.3 MB in the beginning and 373.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 128.5 MB. Max. memory is 5.3 GB. [2018-02-04 20:38:22,200 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 160.18 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 350.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.74 ms. Allocated memory is still 403.7 MB. Free memory was 350.0 MB in the beginning and 347.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 5.3 GB. * RCFGBuilder took 442.35 ms. Allocated memory is still 403.7 MB. Free memory was 347.3 MB in the beginning and 305.3 MB in the end (delta: 42.0 MB). Peak memory consumption was 42.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2022.21 ms. Allocated memory was 403.7 MB in the beginning and 600.3 MB in the end (delta: 196.6 MB). Free memory was 305.3 MB in the beginning and 373.4 MB in the end (delta: -68.1 MB). Peak memory consumption was 128.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 84 column 283: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 84 column 283: 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_parent_ptr_true-valid-memsafety_false-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-38-22-208.csv Received shutdown request...