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/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:23:42,368 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:23:42,370 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:23:42,383 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:23:42,383 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:23:42,384 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:23:42,385 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:23:42,386 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:23:42,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:23:42,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:23:42,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:23:42,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:23:42,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:23:42,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:23:42,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:23:42,394 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:23:42,395 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:23:42,397 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:23:42,398 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:23:42,398 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:23:42,400 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:23:42,404 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 04:23:42,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:23:42,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:23:42,415 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:23:42,415 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:23:42,415 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:23:42,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:23:42,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:23:42,415 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:23:42,416 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:23:42,417 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:23:42,417 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:23:42,417 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:23:42,417 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:23:42,417 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:23:42,417 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:23:42,417 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:23:42,418 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:23:42,418 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:42,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:23:42,459 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:23:42,462 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:23:42,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:23:42,464 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:23:42,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:42,612 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:23:42,614 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:23:42,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:42,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:23:42,620 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:23:42,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4a3d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42, skipping insertion in model container [2018-02-04 04:23:42,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,637 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:42,668 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:42,757 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:42,768 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:42,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42 WrapperNode [2018-02-04 04:23:42,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:42,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:23:42,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:23:42,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:23:42,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (1/1) ... [2018-02-04 04:23:42,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:23:42,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:23:42,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:23:42,794 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:23:42,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (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 04:23:42,829 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:23:42,829 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:23:42,829 INFO L136 BoogieDeclarations]: Found implementation of procedure cmemset [2018-02-04 04:23:42,829 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:23:42,829 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure cmemset [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:23:42,830 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:23:42,831 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:23:42,970 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:23:42,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:42 BoogieIcfgContainer [2018-02-04 04:23:42,970 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:23:42,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:23:42,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:23:42,973 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:23:42,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:23:42" (1/3) ... [2018-02-04 04:23:42,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffed457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:42, skipping insertion in model container [2018-02-04 04:23:42,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:42" (2/3) ... [2018-02-04 04:23:42,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffed457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:42, skipping insertion in model container [2018-02-04 04:23:42,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:42" (3/3) ... [2018-02-04 04:23:42,976 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:42,981 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:23:42,985 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-02-04 04:23:43,016 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:23:43,017 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:23:43,017 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:23:43,017 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:23:43,017 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:23:43,017 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:23:43,017 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:23:43,017 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:23:43,018 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:23:43,028 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-02-04 04:23:43,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:23:43,036 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:43,037 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:43,037 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-02-04 04:23:43,041 INFO L82 PathProgramCache]: Analyzing trace with hash -930191962, 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 04:23:43,050 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:43,119 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:43,130 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,131 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,132 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,132 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,164 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 04:23:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:43,277 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 04:23:43,285 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:43,285 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 04:23:43,286 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:43,286 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 04:23:43,287 INFO L182 omatonBuilderFactory]: Interpolants [34#true, 35#false, 39#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 40#(= 1 (select |#valid| |main_#t~malloc6.base|)), 41#(= 1 (select |#valid| main_~nondetArea~0.base)), 42#(= 1 (select |#valid| |cmemset_#in~dst.base|)), 43#(= 1 (select |#valid| cmemset_~dst.base)), 44#(= 1 (select |#valid| cmemset_~d~0.base)), 45#(= 1 (select |#valid| |cmemset_#t~post1.base|)), 46#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:23:43,287 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 04:23:43,288 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 04:23:43,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 04:23:43,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-02-04 04:23:43,302 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 10 states. [2018-02-04 04:23:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:43,662 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2018-02-04 04:23:43,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 04:23:43,664 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-02-04 04:23:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:43,674 INFO L225 Difference]: With dead ends: 51 [2018-02-04 04:23:43,675 INFO L226 Difference]: Without dead ends: 48 [2018-02-04 04:23:43,676 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=180, Unknown=7, NotChecked=28, Total=272 [2018-02-04 04:23:43,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-02-04 04:23:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-02-04 04:23:43,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-02-04 04:23:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-02-04 04:23:43,753 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 15 [2018-02-04 04:23:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:43,754 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-02-04 04:23:43,754 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 04:23:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-02-04 04:23:43,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:23:43,755 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:43,755 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:43,755 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-02-04 04:23:43,755 INFO L82 PathProgramCache]: Analyzing trace with hash -930191961, 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 04:23:43,759 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:43,794 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:23:43,797 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,797 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,797 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,797 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,797 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,797 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:43,803 WARN L1033 $PredicateComparison]: unable to prove that (forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |c_#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:23:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:43,870 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 04:23:43,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:43,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 04:23:43,872 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:43,873 INFO L182 omatonBuilderFactory]: Interpolants [160#(<= 1 main_~n~0), 161#(and (= 0 |main_#t~malloc6.offset|) (<= 1 (select |#length| |main_#t~malloc6.base|))), 162#(and (<= 1 (select |#length| main_~nondetArea~0.base)) (= 0 main_~nondetArea~0.offset)), 163#(and (= 0 |cmemset_#in~dst.offset|) (<= 1 (select |#length| |cmemset_#in~dst.base|))), 164#(and (= 0 cmemset_~dst.offset) (<= 1 (select |#length| cmemset_~dst.base))), 165#(and (= 0 cmemset_~d~0.offset) (<= 1 (select |#length| cmemset_~d~0.base))), 166#(and (<= 0 |cmemset_#t~post1.offset|) (<= (+ |cmemset_#t~post1.offset| 1) (select |#length| |cmemset_#t~post1.base|))), 167#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 154#true, 155#false, 159#(forall ((%0 Int)) (! (exists ((%1 (Array Int Int))) (! (forall ((%2 Int)) (! (= (store |#length| %2 %0) (store %1 %2 %0)) :qid itp)) :qid itp)) :qid itp))] [2018-02-04 04:23:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:43,874 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 04:23:43,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 04:23:43,875 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=74, Unknown=1, NotChecked=16, Total=110 [2018-02-04 04:23:43,875 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 11 states. [2018-02-04 04:23:44,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:44,161 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-02-04 04:23:44,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 04:23:44,162 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2018-02-04 04:23:44,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:44,163 INFO L225 Difference]: With dead ends: 47 [2018-02-04 04:23:44,163 INFO L226 Difference]: Without dead ends: 47 [2018-02-04 04:23:44,164 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=270, Unknown=9, NotChecked=34, Total=380 [2018-02-04 04:23:44,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-02-04 04:23:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2018-02-04 04:23:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-02-04 04:23:44,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2018-02-04 04:23:44,169 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 15 [2018-02-04 04:23:44,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:44,170 INFO L432 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2018-02-04 04:23:44,170 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 04:23:44,170 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2018-02-04 04:23:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:23:44,171 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:44,171 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:44,171 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-02-04 04:23:44,171 INFO L82 PathProgramCache]: Analyzing trace with hash -120845336, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:44,174 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:44,202 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:44,203 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:44,204 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:44,204 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:44,204 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:44,209 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 04:23:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:44,244 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 04:23:44,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:44,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 04:23:44,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:44,246 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 04:23:44,246 INFO L182 omatonBuilderFactory]: Interpolants [288#(= 1 (select |#valid| cmemset_~dst.base)), 289#(= 1 (select |#valid| cmemset_~d~0.base)), 290#(= 1 (select |#valid| |cmemset_#t~post1.base|)), 291#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 279#true, 280#false, 284#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 285#(= 1 (select |#valid| |main_#t~malloc6.base|)), 286#(= 1 (select |#valid| main_~nondetArea~0.base)), 287#(= 1 (select |#valid| |cmemset_#in~dst.base|))] [2018-02-04 04:23:44,246 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 04:23:44,246 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 04:23:44,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 04:23:44,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=58, Unknown=1, NotChecked=14, Total=90 [2018-02-04 04:23:44,247 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand 10 states. [2018-02-04 04:23:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:44,369 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2018-02-04 04:23:44,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 04:23:44,369 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-02-04 04:23:44,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:44,370 INFO L225 Difference]: With dead ends: 52 [2018-02-04 04:23:44,370 INFO L226 Difference]: Without dead ends: 52 [2018-02-04 04:23:44,370 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=156, Unknown=6, NotChecked=26, Total=240 [2018-02-04 04:23:44,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-02-04 04:23:44,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 29. [2018-02-04 04:23:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-02-04 04:23:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2018-02-04 04:23:44,374 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 15 [2018-02-04 04:23:44,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:44,374 INFO L432 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2018-02-04 04:23:44,374 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 04:23:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-02-04 04:23:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 04:23:44,375 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:44,375 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:44,376 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-02-04 04:23:44,376 INFO L82 PathProgramCache]: Analyzing trace with hash -890079964, 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 04:23:44,378 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:44,396 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:23:44,397 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.createTerm(Parser.java:802) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1304) 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 04:23:44,400 INFO L168 Benchmark]: Toolchain (without parser) took 1786.75 ms. Allocated memory was 405.8 MB in the beginning and 609.2 MB in the end (delta: 203.4 MB). Free memory was 363.8 MB in the beginning and 466.6 MB in the end (delta: -102.8 MB). Peak memory consumption was 100.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:44,401 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 405.8 MB. Free memory is still 369.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:44,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.70 ms. Allocated memory is still 405.8 MB. Free memory was 362.5 MB in the beginning and 353.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:44,401 INFO L168 Benchmark]: Boogie Preprocessor took 21.43 ms. Allocated memory is still 405.8 MB. Free memory was 353.2 MB in the beginning and 350.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:44,402 INFO L168 Benchmark]: RCFGBuilder took 176.55 ms. Allocated memory is still 405.8 MB. Free memory was 350.6 MB in the beginning and 334.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:44,402 INFO L168 Benchmark]: TraceAbstraction took 1428.40 ms. Allocated memory was 405.8 MB in the beginning and 609.2 MB in the end (delta: 203.4 MB). Free memory was 334.7 MB in the beginning and 466.6 MB in the end (delta: -131.9 MB). Peak memory consumption was 71.5 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:44,404 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 405.8 MB. Free memory is still 369.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 157.70 ms. Allocated memory is still 405.8 MB. Free memory was 362.5 MB in the beginning and 353.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 21.43 ms. Allocated memory is still 405.8 MB. Free memory was 353.2 MB in the beginning and 350.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 176.55 ms. Allocated memory is still 405.8 MB. Free memory was 350.6 MB in the beginning and 334.7 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1428.40 ms. Allocated memory was 405.8 MB in the beginning and 609.2 MB in the end (delta: 203.4 MB). Free memory was 334.7 MB in the beginning and 466.6 MB in the end (delta: -131.9 MB). Peak memory consumption was 71.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) 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/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-23-44-411.csv Received shutdown request...