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/sll-optional_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:55:00,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:55:00,926 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:55:00,938 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:55:00,939 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:55:00,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:55:00,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:55:00,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:55:00,943 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:55:00,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:55:00,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:55:00,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:55:00,946 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:55:00,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:55:00,947 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:55:00,949 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:55:00,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:55:00,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:55:00,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:55:00,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:55:00,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:55:00,956 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:55:00,956 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:55:00,957 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:55:00,958 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:55:00,959 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:55:00,959 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:55:00,960 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:55:00,960 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:55:00,960 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:55:00,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:55:00,960 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:55:00,969 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:55:00,969 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:55:00,971 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:55:00,971 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:55:00,971 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:55:00,971 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:55:00,971 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:55:00,972 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:55:00,973 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:55:00,973 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:55:00,973 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:55:00,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:55:01,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:55:01,009 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:55:01,011 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:55:01,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:55:01,013 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:55:01,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:55:01,128 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:55:01,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:55:01,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:55:01,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:55:01,134 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:55:01,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c42bb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01, skipping insertion in model container [2018-02-04 04:55:01,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,147 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:55:01,175 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:55:01,267 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:55:01,286 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:55:01,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01 WrapperNode [2018-02-04 04:55:01,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:55:01,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:55:01,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:55:01,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:55:01,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... [2018-02-04 04:55:01,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:55:01,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:55:01,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:55:01,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:55:01,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:55:01,363 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:55:01,363 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:55:01,363 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:55:01,363 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:55:01,363 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:55:01,363 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:55:01,363 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:55:01,364 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:55:01,755 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:55:01,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:55:01 BoogieIcfgContainer [2018-02-04 04:55:01,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:55:01,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:55:01,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:55:01,759 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:55:01,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:55:01" (1/3) ... [2018-02-04 04:55:01,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cc600f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:55:01, skipping insertion in model container [2018-02-04 04:55:01,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:55:01" (2/3) ... [2018-02-04 04:55:01,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52cc600f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:55:01, skipping insertion in model container [2018-02-04 04:55:01,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:55:01" (3/3) ... [2018-02-04 04:55:01,762 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-optional_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:55:01,767 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:55:01,772 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 63 error locations. [2018-02-04 04:55:01,797 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:55:01,797 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:55:01,798 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:55:01,798 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:55:01,798 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:55:01,798 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:55:01,798 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:55:01,798 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:55:01,799 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:55:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-02-04 04:55:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:55:01,818 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:55:01,819 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:55:01,819 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:55:01,822 INFO L82 PathProgramCache]: Analyzing trace with hash 437540254, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:55:01,829 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:55:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:01,848 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:55:01,859 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:01,859 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:01,860 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:01,860 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:01,890 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:55:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:01,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:01,956 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:55:01,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:55:01,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:55:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:01,958 INFO L182 omatonBuilderFactory]: Interpolants [147#true, 148#false, 152#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 153#(= 1 (select |#valid| |main_#t~malloc0.base|)), 154#(= 1 (select |#valid| main_~head~0.base)), 155#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:55:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:01,960 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:55:01,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:55:01,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:55:01,973 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 6 states. [2018-02-04 04:55:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:55:02,410 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2018-02-04 04:55:02,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:55:02,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:55:02,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:55:02,423 INFO L225 Difference]: With dead ends: 158 [2018-02-04 04:55:02,423 INFO L226 Difference]: Without dead ends: 154 [2018-02-04 04:55:02,424 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 04:55:02,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-02-04 04:55:02,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 133. [2018-02-04 04:55:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-02-04 04:55:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 144 transitions. [2018-02-04 04:55:02,516 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 144 transitions. Word has length 8 [2018-02-04 04:55:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:55:02,516 INFO L432 AbstractCegarLoop]: Abstraction has 133 states and 144 transitions. [2018-02-04 04:55:02,516 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:55:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2018-02-04 04:55:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:55:02,517 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:55:02,517 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:55:02,517 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:55:02,517 INFO L82 PathProgramCache]: Analyzing trace with hash 437540255, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:55:02,521 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:55:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:02,530 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:55:02,532 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,532 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,532 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,532 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,537 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:55:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:02,590 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:55:02,591 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:55:02,591 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:55:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:02,591 INFO L182 omatonBuilderFactory]: Interpolants [453#true, 454#false, 458#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 459#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 460#(and (<= (+ main_~head~0.offset 4) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 461#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:55:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:02,592 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:55:02,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:55:02,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:55:02,593 INFO L87 Difference]: Start difference. First operand 133 states and 144 transitions. Second operand 6 states. [2018-02-04 04:55:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:55:02,901 INFO L93 Difference]: Finished difference Result 177 states and 193 transitions. [2018-02-04 04:55:02,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:55:02,902 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:55:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:55:02,903 INFO L225 Difference]: With dead ends: 177 [2018-02-04 04:55:02,903 INFO L226 Difference]: Without dead ends: 177 [2018-02-04 04:55:02,903 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 04:55:02,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-02-04 04:55:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 132. [2018-02-04 04:55:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-02-04 04:55:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 143 transitions. [2018-02-04 04:55:02,909 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 143 transitions. Word has length 8 [2018-02-04 04:55:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:55:02,909 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 143 transitions. [2018-02-04 04:55:02,909 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:55:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2018-02-04 04:55:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 04:55:02,910 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:55:02,910 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:55:02,910 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:55:02,910 INFO L82 PathProgramCache]: Analyzing trace with hash -464061173, 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) [2018-02-04 04:55:02,917 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:55:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:02,928 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:55:02,930 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,931 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,931 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,931 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:55:02,979 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:55:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:03,008 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 04:55:03,024 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:55:03,025 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:55:03,025 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:55:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:03,025 INFO L182 omatonBuilderFactory]: Interpolants [775#true, 776#false, 780#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 781#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 782#(and (<= 0 (+ main_~head~0.offset 8)) (<= (+ main_~head~0.offset 12) (select |#length| main_~head~0.base))), 783#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:55:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:55:03,025 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:55:03,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:55:03,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:55:03,026 INFO L87 Difference]: Start difference. First operand 132 states and 143 transitions. Second operand 6 states. [2018-02-04 04:55:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:55:03,339 INFO L93 Difference]: Finished difference Result 174 states and 190 transitions. [2018-02-04 04:55:03,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:55:03,340 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-02-04 04:55:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:55:03,341 INFO L225 Difference]: With dead ends: 174 [2018-02-04 04:55:03,341 INFO L226 Difference]: Without dead ends: 174 [2018-02-04 04:55:03,341 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 04:55:03,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-02-04 04:55:03,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 129. [2018-02-04 04:55:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-02-04 04:55:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 140 transitions. [2018-02-04 04:55:03,345 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 140 transitions. Word has length 11 [2018-02-04 04:55:03,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:55:03,345 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 140 transitions. [2018-02-04 04:55:03,345 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:55:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2018-02-04 04:55:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-04 04:55:03,346 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:55:03,346 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:55:03,346 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr62EnsuresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:55:03,346 INFO L82 PathProgramCache]: Analyzing trace with hash 713809996, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:55:03,353 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:55:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:55:03,397 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_11| |main_#t~malloc0.base_5|))) (* (- 1) (select |#length_11| |main_#t~malloc0.base_5|))))) (rewrite a!1)) [2018-02-04 04:55:03,397 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 86 column 269: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:55:03,400 INFO L168 Benchmark]: Toolchain (without parser) took 2271.63 ms. Allocated memory was 402.1 MB in the beginning and 612.9 MB in the end (delta: 210.8 MB). Free memory was 358.8 MB in the beginning and 466.6 MB in the end (delta: -107.8 MB). Peak memory consumption was 103.0 MB. Max. memory is 5.3 GB. [2018-02-04 04:55:03,402 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 402.1 MB. Free memory is still 364.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:55:03,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.85 ms. Allocated memory is still 402.1 MB. Free memory was 358.8 MB in the beginning and 345.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:55:03,402 INFO L168 Benchmark]: Boogie Preprocessor took 29.84 ms. Allocated memory is still 402.1 MB. Free memory was 345.6 MB in the beginning and 343.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:55:03,403 INFO L168 Benchmark]: RCFGBuilder took 431.85 ms. Allocated memory is still 402.1 MB. Free memory was 343.0 MB in the beginning and 304.6 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:55:03,403 INFO L168 Benchmark]: TraceAbstraction took 1643.35 ms. Allocated memory was 402.1 MB in the beginning and 612.9 MB in the end (delta: 210.8 MB). Free memory was 304.6 MB in the beginning and 466.6 MB in the end (delta: -162.0 MB). Peak memory consumption was 48.8 MB. Max. memory is 5.3 GB. [2018-02-04 04:55:03,406 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 402.1 MB. Free memory is still 364.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 163.85 ms. Allocated memory is still 402.1 MB. Free memory was 358.8 MB in the beginning and 345.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.84 ms. Allocated memory is still 402.1 MB. Free memory was 345.6 MB in the beginning and 343.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 431.85 ms. Allocated memory is still 402.1 MB. Free memory was 343.0 MB in the beginning and 304.6 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1643.35 ms. Allocated memory was 402.1 MB in the beginning and 612.9 MB in the end (delta: 210.8 MB). Free memory was 304.6 MB in the beginning and 466.6 MB in the end (delta: -162.0 MB). Peak memory consumption was 48.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 86 column 269: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 86 column 269: 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/sll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-55-03-414.csv Received shutdown request...