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/forester-heap/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:54:24,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:54:24,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:54:24,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:54:24,507 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:54:24,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:54:24,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:54:24,511 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:54:24,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:54:24,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:54:24,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:54:24,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:54:24,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:54:24,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:54:24,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:54:24,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:54:24,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:54:24,522 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:54:24,522 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:54:24,523 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:54:24,525 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:54:24,526 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:54:24,526 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:54:24,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:54:24,527 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:54:24,528 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:54:24,528 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:54:24,529 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:54:24,529 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:54:24,530 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:54:24,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:54:24,530 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 20:54:24,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:54:24,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:54:24,541 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:54:24,542 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:54:24,542 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:54:24,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:54:24,542 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:54:24,542 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:54:24,542 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:54:24,543 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:54:24,543 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:54:24,543 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:54:24,543 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:54:24,543 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:54:24,543 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:54:24,544 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:54:24,544 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:54:24,544 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:54:24,544 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:54:24,544 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:54:24,544 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:54:24,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:54:24,545 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:54:24,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:24,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:54:24,584 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:54:24,587 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:54:24,588 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:54:24,588 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:54:24,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:54:24,729 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:54:24,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:54:24,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:54:24,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:54:24,736 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:54:24,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc3123a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24, skipping insertion in model container [2018-02-04 20:54:24,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,753 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:54:24,784 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:54:24,873 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:54:24,887 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:54:24,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24 WrapperNode [2018-02-04 20:54:24,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:54:24,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:54:24,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:54:24,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:54:24,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (1/1) ... [2018-02-04 20:54:24,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:54:24,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:54:24,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:54:24,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:54:24,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (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 20:54:24,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:54:24,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:54:24,956 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:54:24,956 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:54:24,957 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:54:25,320 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:54:25,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:54:25 BoogieIcfgContainer [2018-02-04 20:54:25,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:54:25,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:54:25,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:54:25,324 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:54:25,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:54:24" (1/3) ... [2018-02-04 20:54:25,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e66430d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:54:25, skipping insertion in model container [2018-02-04 20:54:25,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:54:24" (2/3) ... [2018-02-04 20:54:25,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e66430d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:54:25, skipping insertion in model container [2018-02-04 20:54:25,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:54:25" (3/3) ... [2018-02-04 20:54:25,327 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i [2018-02-04 20:54:25,335 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:54:25,343 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 61 error locations. [2018-02-04 20:54:25,366 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:54:25,366 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:54:25,366 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:54:25,366 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:54:25,366 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:54:25,366 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:54:25,366 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:54:25,367 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:54:25,367 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:54:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-02-04 20:54:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:54:25,384 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:25,385 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:25,385 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:25,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1532119549, 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 20:54:25,398 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:25,418 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:25,431 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:25,431 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:25,432 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:25,433 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:25,463 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 20:54:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:25,485 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 20:54:25,503 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:25,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:25,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:25,504 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 20:54:25,504 INFO L182 omatonBuilderFactory]: Interpolants [160#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 152#true, 153#false, 157#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 158#(= 1 (select |#valid| |main_#t~malloc0.base|)), 159#(= 1 (select |#valid| main_~list~0.base))] [2018-02-04 20:54:25,504 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 20:54:25,505 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:25,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:25,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:25,514 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 6 states. [2018-02-04 20:54:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:25,903 INFO L93 Difference]: Finished difference Result 161 states and 168 transitions. [2018-02-04 20:54:25,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 20:54:25,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 20:54:25,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:25,911 INFO L225 Difference]: With dead ends: 161 [2018-02-04 20:54:25,911 INFO L226 Difference]: Without dead ends: 157 [2018-02-04 20:54:25,912 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 20:54:25,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-02-04 20:54:25,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 142. [2018-02-04 20:54:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 20:54:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2018-02-04 20:54:25,993 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 8 [2018-02-04 20:54:25,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:25,993 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2018-02-04 20:54:25,994 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2018-02-04 20:54:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 20:54:25,994 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:25,994 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:25,994 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:25,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1532119550, 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 20:54:25,997 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:26,002 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:26,004 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,004 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,005 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,005 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,014 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 20:54:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:26,045 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 20:54:26,062 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:26,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:26,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:26,062 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 20:54:26,062 INFO L182 omatonBuilderFactory]: Interpolants [470#true, 471#false, 475#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 476#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 477#(and (<= (+ main_~list~0.offset 4) (select |#length| main_~list~0.base)) (<= 0 main_~list~0.offset)), 478#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 20:54:26,062 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 20:54:26,064 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:26,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:26,064 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:26,064 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand 6 states. [2018-02-04 20:54:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:26,339 INFO L93 Difference]: Finished difference Result 188 states and 199 transitions. [2018-02-04 20:54:26,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:26,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 20:54:26,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:26,340 INFO L225 Difference]: With dead ends: 188 [2018-02-04 20:54:26,340 INFO L226 Difference]: Without dead ends: 188 [2018-02-04 20:54:26,341 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=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:54:26,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-02-04 20:54:26,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 173. [2018-02-04 20:54:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-02-04 20:54:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 196 transitions. [2018-02-04 20:54:26,350 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 196 transitions. Word has length 8 [2018-02-04 20:54:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:26,350 INFO L432 AbstractCegarLoop]: Abstraction has 173 states and 196 transitions. [2018-02-04 20:54:26,350 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 196 transitions. [2018-02-04 20:54:26,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 20:54:26,351 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:26,351 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:26,351 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:26,351 INFO L82 PathProgramCache]: Analyzing trace with hash 251065739, 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 20:54:26,361 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:26,370 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:26,372 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,372 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,372 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,372 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,377 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 20:54:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:26,399 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 20:54:26,428 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:26,428 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:26,428 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:26,428 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 20:54:26,428 INFO L182 omatonBuilderFactory]: Interpolants [849#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 850#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 851#(and (<= (+ main_~list~0.offset 8) (select |#length| main_~list~0.base)) (<= 0 (+ main_~list~0.offset 4))), 852#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 844#true, 845#false] [2018-02-04 20:54:26,429 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 20:54:26,429 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:26,429 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:26,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:26,429 INFO L87 Difference]: Start difference. First operand 173 states and 196 transitions. Second operand 6 states. [2018-02-04 20:54:26,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:26,682 INFO L93 Difference]: Finished difference Result 198 states and 209 transitions. [2018-02-04 20:54:26,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:26,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 20:54:26,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:26,684 INFO L225 Difference]: With dead ends: 198 [2018-02-04 20:54:26,684 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 20:54:26,684 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=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 20:54:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 20:54:26,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 172. [2018-02-04 20:54:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-02-04 20:54:26,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 195 transitions. [2018-02-04 20:54:26,698 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 195 transitions. Word has length 9 [2018-02-04 20:54:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:26,698 INFO L432 AbstractCegarLoop]: Abstraction has 172 states and 195 transitions. [2018-02-04 20:54:26,698 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 195 transitions. [2018-02-04 20:54:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 20:54:26,699 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:26,699 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:26,699 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:26,699 INFO L82 PathProgramCache]: Analyzing trace with hash -806896735, 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 20:54:26,707 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:26,718 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:54:26,720 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,720 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,721 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,721 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:54:26,752 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 20:54:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:26,772 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 20:54:26,791 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:26,791 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 20:54:26,791 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:26,791 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 20:54:26,791 INFO L182 omatonBuilderFactory]: Interpolants [1232#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1233#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1234#(and (<= 0 (+ main_~list~0.offset 8)) (<= (+ main_~list~0.offset 12) (select |#length| main_~list~0.base))), 1235#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1227#true, 1228#false] [2018-02-04 20:54:26,791 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 20:54:26,791 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 20:54:26,792 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 20:54:26,792 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 20:54:26,792 INFO L87 Difference]: Start difference. First operand 172 states and 195 transitions. Second operand 6 states. [2018-02-04 20:54:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:26,956 INFO L93 Difference]: Finished difference Result 185 states and 196 transitions. [2018-02-04 20:54:26,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:26,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 20:54:26,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:26,957 INFO L225 Difference]: With dead ends: 185 [2018-02-04 20:54:26,957 INFO L226 Difference]: Without dead ends: 185 [2018-02-04 20:54:26,957 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=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 20:54:26,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-02-04 20:54:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 171. [2018-02-04 20:54:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-02-04 20:54:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 193 transitions. [2018-02-04 20:54:26,964 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 193 transitions. Word has length 10 [2018-02-04 20:54:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:26,965 INFO L432 AbstractCegarLoop]: Abstraction has 171 states and 193 transitions. [2018-02-04 20:54:26,965 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 20:54:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 193 transitions. [2018-02-04 20:54:26,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:54:26,965 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:26,965 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:26,966 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:26,966 INFO L82 PathProgramCache]: Analyzing trace with hash 579798922, 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 20:54:26,971 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:27,008 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 20:54:27,036 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 20:54:27,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 20:54:27,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 20:54:27,037 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 20:54:27,037 INFO L182 omatonBuilderFactory]: Interpolants [1601#(= 1 (select |#valid| main_~list~0.base)), 1602#(= 1 (select |#valid| main_~end~0.base)), 1603#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1596#true, 1597#false] [2018-02-04 20:54:27,037 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 20:54:27,037 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 20:54:27,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 20:54:27,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 20:54:27,037 INFO L87 Difference]: Start difference. First operand 171 states and 193 transitions. Second operand 5 states. [2018-02-04 20:54:27,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 20:54:27,219 INFO L93 Difference]: Finished difference Result 187 states and 210 transitions. [2018-02-04 20:54:27,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 20:54:27,220 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-02-04 20:54:27,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 20:54:27,221 INFO L225 Difference]: With dead ends: 187 [2018-02-04 20:54:27,221 INFO L226 Difference]: Without dead ends: 187 [2018-02-04 20:54:27,221 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 20:54:27,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-02-04 20:54:27,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 162. [2018-02-04 20:54:27,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-02-04 20:54:27,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 185 transitions. [2018-02-04 20:54:27,227 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 185 transitions. Word has length 16 [2018-02-04 20:54:27,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 20:54:27,227 INFO L432 AbstractCegarLoop]: Abstraction has 162 states and 185 transitions. [2018-02-04 20:54:27,227 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 20:54:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 185 transitions. [2018-02-04 20:54:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 20:54:27,228 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:54:27,228 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 20:54:27,228 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 20:54:27,228 INFO L82 PathProgramCache]: Analyzing trace with hash 579798923, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:54:27,234 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:54:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:54:27,273 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_14| |main_#t~malloc0.base_5|))) (* (- 1) (select |#length_14| |main_#t~malloc0.base_5|))))) (rewrite a!1)) [2018-02-04 20:54:27,274 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 96 column 290: 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 20:54:27,277 INFO L168 Benchmark]: Toolchain (without parser) took 2548.02 ms. Allocated memory was 403.2 MB in the beginning and 652.7 MB in the end (delta: 249.6 MB). Free memory was 357.2 MB in the beginning and 611.4 MB in the end (delta: -254.2 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:54:27,278 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.2 MB. Free memory is still 362.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:54:27,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.73 ms. Allocated memory is still 403.2 MB. Free memory was 357.2 MB in the beginning and 344.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:27,281 INFO L168 Benchmark]: Boogie Preprocessor took 27.08 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 341.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:27,282 INFO L168 Benchmark]: RCFGBuilder took 400.16 ms. Allocated memory is still 403.2 MB. Free memory was 341.4 MB in the beginning and 303.0 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:54:27,282 INFO L168 Benchmark]: TraceAbstraction took 1955.01 ms. Allocated memory was 403.2 MB in the beginning and 652.7 MB in the end (delta: 249.6 MB). Free memory was 303.0 MB in the beginning and 611.4 MB in the end (delta: -308.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:54:27,285 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 403.2 MB. Free memory is still 362.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 162.73 ms. Allocated memory is still 403.2 MB. Free memory was 357.2 MB in the beginning and 344.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.08 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 341.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 400.16 ms. Allocated memory is still 403.2 MB. Free memory was 341.4 MB in the beginning and 303.0 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1955.01 ms. Allocated memory was 403.2 MB in the beginning and 652.7 MB in the end (delta: 249.6 MB). Free memory was 303.0 MB in the beginning and 611.4 MB in the end (delta: -308.4 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 96 column 290: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 96 column 290: 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/dll-rb-cnstr_1_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-54-27-294.csv Received shutdown request...