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/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 08:27:07,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:27:07,473 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:27:07,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:27:07,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:27:07,494 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:27:07,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:27:07,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:27:07,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:27:07,500 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:27:07,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:27:07,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:27:07,504 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:27:07,505 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:27:07,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:27:07,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:27:07,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:27:07,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:27:07,514 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:27:07,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:27:07,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 08:27:07,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:27:07,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:27:07,524 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 08:27:07,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:27:07,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:27:07,544 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:27:07,544 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:27:07,545 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:27:07,545 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:27:07,545 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:27:07,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:27:07,548 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:27:07,549 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 08:27:07,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:27:07,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:27:07,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:27:07,549 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 08:27:07,550 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 08:27:07,550 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 08:27:07,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:27:07,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:27:07,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:27:07,551 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:27:07,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:27:07,551 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:27:07,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:27:07,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:27:07,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:27:07,552 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:27:07,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:27:07,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:27:07,552 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:27:07,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:27:07,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:27:07,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:27:07,553 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:27:07,554 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:27:07,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:27:07,629 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:27:07,633 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:27:07,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:27:07,636 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:27:07,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:27:07,832 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:27:07,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:27:07,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:27:07,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:27:07,848 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:27:07,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:27:07" (1/1) ... [2018-01-31 08:27:07,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8195df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:07, skipping insertion in model container [2018-01-31 08:27:07,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:27:07" (1/1) ... [2018-01-31 08:27:07,872 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:27:07,934 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:27:08,112 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:27:08,142 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:27:08,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08 WrapperNode [2018-01-31 08:27:08,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:27:08,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:27:08,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:27:08,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:27:08,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... [2018-01-31 08:27:08,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:27:08,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:27:08,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:27:08,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:27:08,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 08:27:08,272 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:27:08,273 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:27:08,273 INFO L136 BoogieDeclarations]: Found implementation of procedure cmemset [2018-01-31 08:27:08,273 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:27:08,273 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 08:27:08,273 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 08:27:08,273 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:27:08,273 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:27:08,274 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:27:08,274 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 08:27:08,278 INFO L128 BoogieDeclarations]: Found specification of procedure cmemset [2018-01-31 08:27:08,278 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:27:08,278 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:27:08,278 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:27:08,695 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:27:08,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:27:08 BoogieIcfgContainer [2018-01-31 08:27:08,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:27:08,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:27:08,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:27:08,706 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:27:08,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:27:07" (1/3) ... [2018-01-31 08:27:08,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9fed69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:27:08, skipping insertion in model container [2018-01-31 08:27:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:27:08" (2/3) ... [2018-01-31 08:27:08,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e9fed69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:27:08, skipping insertion in model container [2018-01-31 08:27:08,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:27:08" (3/3) ... [2018-01-31 08:27:08,710 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:27:08,719 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:27:08,728 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 08:27:08,780 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:27:08,780 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:27:08,780 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:27:08,780 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:27:08,780 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:27:08,781 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:27:08,781 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:27:08,781 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:27:08,782 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:27:08,799 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-01-31 08:27:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-31 08:27:08,809 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:08,810 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:08,810 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 08:27:08,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1544271626, now seen corresponding path program 1 times [2018-01-31 08:27:08,818 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:08,818 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:08,875 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:08,875 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:08,875 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:08,971 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:09,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:09,300 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:27:09,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 08:27:09,305 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-31 08:27:09,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-31 08:27:09,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-31 08:27:09,323 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 8 states. [2018-01-31 08:27:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:09,853 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2018-01-31 08:27:09,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-31 08:27:09,855 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-01-31 08:27:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:09,865 INFO L225 Difference]: With dead ends: 66 [2018-01-31 08:27:09,865 INFO L226 Difference]: Without dead ends: 50 [2018-01-31 08:27:09,869 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-01-31 08:27:09,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-01-31 08:27:09,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2018-01-31 08:27:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-31 08:27:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-01-31 08:27:09,903 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 29 [2018-01-31 08:27:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:09,903 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-01-31 08:27:09,903 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-31 08:27:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-01-31 08:27:09,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-31 08:27:09,905 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:09,905 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:09,905 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 08:27:09,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1544271625, now seen corresponding path program 1 times [2018-01-31 08:27:09,905 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:09,906 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:09,906 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:09,907 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:09,907 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:09,935 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:10,301 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:27:10,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-31 08:27:10,303 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-31 08:27:10,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-31 08:27:10,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-01-31 08:27:10,305 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand 9 states. [2018-01-31 08:27:10,852 WARN L143 SmtUtils]: Spent 145ms on a formula simplification that was a NOOP. DAG size: 24 [2018-01-31 08:27:10,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:10,907 INFO L93 Difference]: Finished difference Result 53 states and 56 transitions. [2018-01-31 08:27:10,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-31 08:27:10,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-01-31 08:27:10,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:10,909 INFO L225 Difference]: With dead ends: 53 [2018-01-31 08:27:10,909 INFO L226 Difference]: Without dead ends: 52 [2018-01-31 08:27:10,910 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-01-31 08:27:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-01-31 08:27:10,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-01-31 08:27:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-01-31 08:27:10,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-01-31 08:27:10,918 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 29 [2018-01-31 08:27:10,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:10,918 INFO L432 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-01-31 08:27:10,919 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-31 08:27:10,919 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-01-31 08:27:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-31 08:27:10,920 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:10,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:10,920 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 08:27:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1300898071, now seen corresponding path program 1 times [2018-01-31 08:27:10,921 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:10,921 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:10,922 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:10,922 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:10,922 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:10,944 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:11,028 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:27:11,028 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 08:27:11,029 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 08:27:11,029 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 08:27:11,029 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 08:27:11,029 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 4 states. [2018-01-31 08:27:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:11,118 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-01-31 08:27:11,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 08:27:11,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2018-01-31 08:27:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:11,119 INFO L225 Difference]: With dead ends: 51 [2018-01-31 08:27:11,119 INFO L226 Difference]: Without dead ends: 41 [2018-01-31 08:27:11,120 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-31 08:27:11,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-31 08:27:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-01-31 08:27:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-31 08:27:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-01-31 08:27:11,125 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 32 [2018-01-31 08:27:11,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:11,125 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-01-31 08:27:11,126 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 08:27:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-01-31 08:27:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-01-31 08:27:11,128 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:11,128 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:11,128 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 08:27:11,129 INFO L82 PathProgramCache]: Analyzing trace with hash 918038151, now seen corresponding path program 1 times [2018-01-31 08:27:11,129 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:11,129 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:11,130 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:11,130 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:11,130 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:11,155 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:11,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:11,587 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 08:27:11,587 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 08:27:11,598 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:11,645 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 08:27:11,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-31 08:27:11,711 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 08:27:11,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 08:27:11,739 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-31 08:27:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:12,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 08:27:12,176 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 26 [2018-01-31 08:27:12,176 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-01-31 08:27:12,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-01-31 08:27:12,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=641, Unknown=0, NotChecked=0, Total=702 [2018-01-31 08:27:12,177 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 27 states. [2018-01-31 08:27:13,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:13,394 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-01-31 08:27:13,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-31 08:27:13,395 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 38 [2018-01-31 08:27:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:13,396 INFO L225 Difference]: With dead ends: 52 [2018-01-31 08:27:13,396 INFO L226 Difference]: Without dead ends: 51 [2018-01-31 08:27:13,397 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=224, Invalid=1416, Unknown=0, NotChecked=0, Total=1640 [2018-01-31 08:27:13,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-01-31 08:27:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2018-01-31 08:27:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-01-31 08:27:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 52 transitions. [2018-01-31 08:27:13,404 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 52 transitions. Word has length 38 [2018-01-31 08:27:13,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:13,404 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 52 transitions. [2018-01-31 08:27:13,404 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-01-31 08:27:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-01-31 08:27:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-01-31 08:27:13,406 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:27:13,406 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:27:13,406 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, cmemsetErr0RequiresViolation, cmemsetErr1RequiresViolation]=== [2018-01-31 08:27:13,406 INFO L82 PathProgramCache]: Analyzing trace with hash -548631817, now seen corresponding path program 2 times [2018-01-31 08:27:13,406 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:27:13,407 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:27:13,408 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:13,408 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:27:13,408 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:27:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:27:13,435 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:27:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:14,147 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 08:27:14,147 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 08:27:14,162 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-31 08:27:14,182 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-31 08:27:14,187 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-31 08:27:14,189 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-31 08:27:14,193 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 08:27:14,200 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-01-31 08:27:14,200 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 08:27:14,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 08:27:14,203 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-01-31 08:27:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:27:14,843 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 08:27:14,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 26 [2018-01-31 08:27:14,843 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-01-31 08:27:14,844 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-01-31 08:27:14,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2018-01-31 08:27:14,844 INFO L87 Difference]: Start difference. First operand 50 states and 52 transitions. Second operand 27 states. [2018-01-31 08:27:16,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:27:16,522 INFO L93 Difference]: Finished difference Result 60 states and 63 transitions. [2018-01-31 08:27:16,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-31 08:27:16,523 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 47 [2018-01-31 08:27:16,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:27:16,523 INFO L225 Difference]: With dead ends: 60 [2018-01-31 08:27:16,524 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 08:27:16,525 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=314, Invalid=2338, Unknown=0, NotChecked=0, Total=2652 [2018-01-31 08:27:16,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 08:27:16,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 08:27:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 08:27:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 08:27:16,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2018-01-31 08:27:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:27:16,527 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 08:27:16,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-01-31 08:27:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 08:27:16,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 08:27:16,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 08:27:16,883 WARN L143 SmtUtils]: Spent 227ms on a formula simplification that was a NOOP. DAG size: 24 [2018-01-31 08:27:17,142 WARN L146 SmtUtils]: Spent 232ms on a formula simplification. DAG size of input: 80 DAG size of output 54 [2018-01-31 08:27:17,220 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,220 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,250 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 564) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:27:17,250 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,250 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 564) the Hoare annotation is: true [2018-01-31 08:27:17,250 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 564) the Hoare annotation is: true [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L395 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (and (<= 1 main_~n~4) (= 0 |main_#t~malloc6.offset|) (= main_~n~4 (select |#length| main_~nondetArea~4.base)) (= 1 (select |#valid| main_~nondetArea~4.base)) (= 0 main_~nondetArea~4.offset) (= main_~n~4 (select |#length| |main_#t~malloc6.base|)) (= 1 (select |#valid| |main_#t~malloc6.base|)) (= (store |#valid| |main_#t~malloc6.base| 0) |old(#valid)|)) [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-01-31 08:27:17,251 INFO L399 ceAbstractionStarter]: For program point L554''(line 554) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L558'(lines 558 560) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L555''(lines 555 557) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 551 564) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 551 564) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L555(lines 555 557) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-31 08:27:17,252 INFO L399 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 551 564) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 551 564) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 550) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point L545(lines 545 547) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L399 ceAbstractionStarter]: For program point L543(lines 543 548) no Hoare annotation was computed. [2018-01-31 08:27:17,253 INFO L402 ceAbstractionStarter]: At program point cmemsetENTRY(lines 540 550) the Hoare annotation is: true [2018-01-31 08:27:17,254 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-31 08:27:17,254 INFO L399 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-01-31 08:27:17,254 INFO L399 ceAbstractionStarter]: For program point cmemsetFINAL(lines 540 550) no Hoare annotation was computed. [2018-01-31 08:27:17,254 INFO L395 ceAbstractionStarter]: At program point L545'''(lines 545 547) the Hoare annotation is: (let ((.cse6 (select |#length| cmemset_~dst.base))) (let ((.cse0 (= 1 (select |#valid| cmemset_~dst.base))) (.cse3 (= 0 cmemset_~dst.offset)) (.cse2 (select |#length| cmemset_~d~3.base)) (.cse4 (= .cse6 |cmemset_#in~n|)) (.cse5 (= 1 (select |#valid| cmemset_~d~3.base)))) (or (let ((.cse1 (+ cmemset_~d~3.offset cmemset_~n))) (and .cse0 (<= .cse1 .cse2) (<= .cse2 .cse1) .cse3 (<= 2 cmemset_~d~3.offset) .cse4 .cse5 (<= 1 cmemset_~n))) (and .cse0 .cse3 (= .cse2 cmemset_~n) (= 0 cmemset_~d~3.offset) .cse4 (= cmemset_~n .cse6) .cse5) (let ((.cse7 (+ cmemset_~n 1))) (and .cse0 (<= .cse2 .cse7) (not (= 0 (mod (+ .cse2 4294967295) 4294967296))) .cse3 (<= 1 .cse2) (<= .cse7 .cse2) (= 1 cmemset_~d~3.offset) .cse4 .cse5)) (< |cmemset_#in~n| 1) (not (= (select |#length| |cmemset_#in~dst.base|) |cmemset_#in~n|)) (not (= (select |#valid| |cmemset_#in~dst.base|) 1)) (not (= 0 |cmemset_#in~dst.offset|))))) [2018-01-31 08:27:17,254 INFO L399 ceAbstractionStarter]: For program point L540'(lines 540 550) no Hoare annotation was computed. [2018-01-31 08:27:17,254 INFO L399 ceAbstractionStarter]: For program point cmemsetEXIT(lines 540 550) no Hoare annotation was computed. [2018-01-31 08:27:17,254 INFO L399 ceAbstractionStarter]: For program point cmemsetErr0RequiresViolation(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point L543'(lines 543 548) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point L545'(lines 545 547) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point cmemsetErr1RequiresViolation(lines 1 564) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-31 08:27:17,255 INFO L399 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-31 08:27:17,268 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,272 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,272 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,273 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,273 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,273 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,273 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,274 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,274 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,274 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,274 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,275 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,283 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,284 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,285 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,286 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:27:17 BoogieIcfgContainer [2018-01-31 08:27:17,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:27:17,290 INFO L168 Benchmark]: Toolchain (without parser) took 9457.51 ms. Allocated memory was 308.3 MB in the beginning and 542.6 MB in the end (delta: 234.4 MB). Free memory was 267.0 MB in the beginning and 461.5 MB in the end (delta: -194.5 MB). Peak memory consumption was 170.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:17,291 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 308.3 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:27:17,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.13 ms. Allocated memory is still 308.3 MB. Free memory was 267.0 MB in the beginning and 257.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:17,292 INFO L168 Benchmark]: Boogie Preprocessor took 47.56 ms. Allocated memory is still 308.3 MB. Free memory was 257.0 MB in the beginning and 255.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:17,292 INFO L168 Benchmark]: RCFGBuilder took 493.72 ms. Allocated memory is still 308.3 MB. Free memory was 255.0 MB in the beginning and 238.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:17,293 INFO L168 Benchmark]: TraceAbstraction took 8591.57 ms. Allocated memory was 308.3 MB in the beginning and 542.6 MB in the end (delta: 234.4 MB). Free memory was 238.0 MB in the beginning and 461.5 MB in the end (delta: -223.5 MB). Peak memory consumption was 141.1 MB. Max. memory is 5.3 GB. [2018-01-31 08:27:17,295 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 308.3 MB. Free memory is still 273.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 311.13 ms. Allocated memory is still 308.3 MB. Free memory was 267.0 MB in the beginning and 257.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 47.56 ms. Allocated memory is still 308.3 MB. Free memory was 257.0 MB in the beginning and 255.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 493.72 ms. Allocated memory is still 308.3 MB. Free memory was 255.0 MB in the beginning and 238.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 8591.57 ms. Allocated memory was 308.3 MB in the beginning and 542.6 MB in the end (delta: 234.4 MB). Free memory was 238.0 MB in the beginning and 461.5 MB in the end (delta: -223.5 MB). Peak memory consumption was 141.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-01-31 08:27:17,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,310 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,310 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,310 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,311 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,311 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,311 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,311 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,311 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,312 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,312 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,312 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:27:17,312 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((1 == \valid[dst] && d + n <= unknown-#length-unknown[d]) && unknown-#length-unknown[d] <= d + n) && 0 == dst) && 2 <= d) && unknown-#length-unknown[dst] == \old(n)) && 1 == \valid[d]) && 1 <= n) || ((((((1 == \valid[dst] && 0 == dst) && unknown-#length-unknown[d] == n) && 0 == d) && unknown-#length-unknown[dst] == \old(n)) && n == unknown-#length-unknown[dst]) && 1 == \valid[d])) || ((((((((1 == \valid[dst] && unknown-#length-unknown[d] <= n + 1) && !(0 == (unknown-#length-unknown[d] + 4294967295) % 4294967296)) && 0 == dst) && 1 <= unknown-#length-unknown[d]) && n + 1 <= unknown-#length-unknown[d]) && 1 == d) && unknown-#length-unknown[dst] == \old(n)) && 1 == \valid[d])) || \old(n) < 1) || !(unknown-#length-unknown[dst] == \old(n))) || !(\valid[dst] == 1)) || !(0 == dst) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 51 locations, 3 error locations. SAFE Result, 8.4s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 187 SDtfs, 363 SDslu, 1438 SDs, 0 SdLazy, 862 SolverSat, 62 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 188 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 373 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 253 ConstructedInterpolants, 5 QuantifiedInterpolants, 78505 SizeOfPredicates, 34 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 0/42 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_08-27-17-320.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cmemset-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_08-27-17-320.csv Received shutdown request...