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/stroeder1-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 08:32:51,022 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:32:51,024 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:32:51,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:32:51,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:32:51,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:32:51,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:32:51,048 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:32:51,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:32:51,051 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:32:51,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:32:51,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:32:51,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:32:51,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:32:51,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:32:51,061 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:32:51,063 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:32:51,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:32:51,066 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:32:51,067 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:32:51,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-31 08:32:51,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-31 08:32:51,070 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-31 08:32:51,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-31 08:32:51,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-31 08:32:51,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-31 08:32:51,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-31 08:32:51,074 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-31 08:32:51,075 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-31 08:32:51,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:32:51,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:32:51,076 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 08:32:51,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:32:51,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:32:51,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:32:51,090 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:32:51,091 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:32:51,091 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:32:51,091 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:32:51,092 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:32:51,092 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:32:51,092 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 08:32:51,092 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:32:51,092 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:32:51,093 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:32:51,093 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 08:32:51,093 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 08:32:51,093 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 08:32:51,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:32:51,094 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:32:51,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:32:51,094 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:32:51,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:32:51,094 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:32:51,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:32:51,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:32:51,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:32:51,095 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:32:51,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:32:51,096 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:32:51,096 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:32:51,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:32:51,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:32:51,096 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:32:51,097 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:32:51,097 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:32:51,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:32:51,149 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:32:51,153 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:32:51,154 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:32:51,154 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:32:51,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:32:51,339 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:32:51,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:32:51,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:32:51,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:32:51,359 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:32:51,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f37c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51, skipping insertion in model container [2018-01-31 08:32:51,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,384 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:32:51,440 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:32:51,599 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:32:51,620 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:32:51,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51 WrapperNode [2018-01-31 08:32:51,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:32:51,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:32:51,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:32:51,628 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:32:51,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (1/1) ... [2018-01-31 08:32:51,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:32:51,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:32:51,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:32:51,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:32:51,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (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 08:32:51,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:32:51,733 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:32:51,733 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-01-31 08:32:51,734 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:32:51,734 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 08:32:51,734 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 08:32:51,734 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:32:51,734 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:32:51,734 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:32:51,734 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 08:32:51,735 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-01-31 08:32:51,735 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:32:51,735 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:32:51,735 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:32:52,127 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:32:52,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:32:52 BoogieIcfgContainer [2018-01-31 08:32:52,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:32:52,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:32:52,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:32:52,132 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:32:52,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:32:51" (1/3) ... [2018-01-31 08:32:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdfa9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:32:52, skipping insertion in model container [2018-01-31 08:32:52,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:32:51" (2/3) ... [2018-01-31 08:32:52,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bdfa9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:32:52, skipping insertion in model container [2018-01-31 08:32:52,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:32:52" (3/3) ... [2018-01-31 08:32:52,135 INFO L107 eAbstractionObserver]: Analyzing ICFG stroeder1-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:32:52,143 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:32:52,151 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-31 08:32:52,204 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:32:52,204 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:32:52,204 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:32:52,205 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:32:52,205 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:32:52,205 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:32:52,205 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:32:52,205 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:32:52,206 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:32:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-01-31 08:32:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-31 08:32:52,225 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:32:52,226 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] [2018-01-31 08:32:52,226 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:32:52,231 INFO L82 PathProgramCache]: Analyzing trace with hash 703932375, now seen corresponding path program 1 times [2018-01-31 08:32:52,233 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:32:52,234 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:32:52,297 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:52,297 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:32:52,298 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:32:52,380 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:32:52,769 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 08:32:52,778 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:32:52,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-31 08:32:52,781 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-31 08:32:52,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-31 08:32:52,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-31 08:32:52,796 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 7 states. [2018-01-31 08:32:53,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:32:53,247 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-01-31 08:32:53,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-31 08:32:53,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-01-31 08:32:53,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:32:53,386 INFO L225 Difference]: With dead ends: 65 [2018-01-31 08:32:53,386 INFO L226 Difference]: Without dead ends: 48 [2018-01-31 08:32:53,390 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-01-31 08:32:53,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-01-31 08:32:53,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-01-31 08:32:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-01-31 08:32:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-01-31 08:32:53,428 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 25 [2018-01-31 08:32:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:32:53,429 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-01-31 08:32:53,429 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-31 08:32:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-01-31 08:32:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-31 08:32:53,430 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:32:53,430 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] [2018-01-31 08:32:53,431 INFO L371 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:32:53,431 INFO L82 PathProgramCache]: Analyzing trace with hash 703932376, now seen corresponding path program 1 times [2018-01-31 08:32:53,431 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:32:53,431 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:32:53,432 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:53,433 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:32:53,433 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:32:53,466 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:32:53,828 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 08:32:53,829 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:32:53,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-31 08:32:53,831 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-31 08:32:53,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-31 08:32:53,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-01-31 08:32:53,833 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 10 states. [2018-01-31 08:32:54,093 WARN L143 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 22 [2018-01-31 08:32:54,376 WARN L143 SmtUtils]: Spent 196ms on a formula simplification that was a NOOP. DAG size: 23 [2018-01-31 08:32:54,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:32:54,532 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2018-01-31 08:32:54,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-31 08:32:54,532 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-01-31 08:32:54,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:32:54,534 INFO L225 Difference]: With dead ends: 62 [2018-01-31 08:32:54,534 INFO L226 Difference]: Without dead ends: 61 [2018-01-31 08:32:54,535 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2018-01-31 08:32:54,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-31 08:32:54,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 47. [2018-01-31 08:32:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-31 08:32:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-01-31 08:32:54,543 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 25 [2018-01-31 08:32:54,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:32:54,544 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-01-31 08:32:54,544 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-31 08:32:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-01-31 08:32:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-31 08:32:54,545 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:32:54,545 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] [2018-01-31 08:32:54,545 INFO L371 AbstractCegarLoop]: === Iteration 3 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:32:54,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1391436582, now seen corresponding path program 1 times [2018-01-31 08:32:54,545 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:32:54,545 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:32:54,546 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:54,546 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:32:54,547 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:32:54,565 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:32:54,621 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 08:32:54,622 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:32:54,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-31 08:32:54,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 08:32:54,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 08:32:54,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:32:54,623 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 6 states. [2018-01-31 08:32:54,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:32:54,806 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2018-01-31 08:32:54,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-31 08:32:54,806 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-01-31 08:32:54,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:32:54,807 INFO L225 Difference]: With dead ends: 61 [2018-01-31 08:32:54,808 INFO L226 Difference]: Without dead ends: 51 [2018-01-31 08:32:54,808 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-31 08:32:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-01-31 08:32:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2018-01-31 08:32:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-31 08:32:54,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-01-31 08:32:54,815 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 31 [2018-01-31 08:32:54,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:32:54,815 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-01-31 08:32:54,815 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 08:32:54,815 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-01-31 08:32:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-31 08:32:54,816 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:32:54,816 INFO L351 BasicCegarLoop]: trace histogram [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, 1] [2018-01-31 08:32:54,817 INFO L371 AbstractCegarLoop]: === Iteration 4 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:32:54,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1680232180, now seen corresponding path program 1 times [2018-01-31 08:32:54,817 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:32:54,817 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:32:54,818 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:54,818 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:32:54,818 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:32:54,838 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:32:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:32:55,102 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 08:32:55,102 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 08:32:55,116 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:32:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:32:55,156 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 08:32:55,218 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 8 treesize of output 7 [2018-01-31 08:32:55,220 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 08:32:55,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 08:32:55,224 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-31 08:32:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:32:56,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 08:32:56,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2018-01-31 08:32:56,282 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-01-31 08:32:56,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-01-31 08:32:56,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=402, Unknown=2, NotChecked=0, Total=462 [2018-01-31 08:32:56,282 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 22 states. [2018-01-31 08:32:56,988 WARN L143 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 41 [2018-01-31 08:32:57,476 WARN L143 SmtUtils]: Spent 308ms on a formula simplification that was a NOOP. DAG size: 43 [2018-01-31 08:32:58,292 WARN L143 SmtUtils]: Spent 283ms on a formula simplification that was a NOOP. DAG size: 41 [2018-01-31 08:32:58,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:32:58,326 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-01-31 08:32:58,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-01-31 08:32:58,326 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 35 [2018-01-31 08:32:58,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:32:58,328 INFO L225 Difference]: With dead ends: 58 [2018-01-31 08:32:58,328 INFO L226 Difference]: Without dead ends: 57 [2018-01-31 08:32:58,331 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=245, Invalid=943, Unknown=2, NotChecked=0, Total=1190 [2018-01-31 08:32:58,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-01-31 08:32:58,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 43. [2018-01-31 08:32:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-31 08:32:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-01-31 08:32:58,339 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 35 [2018-01-31 08:32:58,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:32:58,339 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-01-31 08:32:58,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-01-31 08:32:58,340 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-01-31 08:32:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-01-31 08:32:58,342 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:32:58,342 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:32:58,342 INFO L371 AbstractCegarLoop]: === Iteration 5 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr0RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-31 08:32:58,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1102219942, now seen corresponding path program 1 times [2018-01-31 08:32:58,343 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:32:58,343 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:32:58,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:58,344 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:32:58,344 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:32:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:32:58,386 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:32:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-31 08:32:58,563 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:32:58,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 08:32:58,563 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 08:32:58,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 08:32:58,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 08:32:58,564 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 4 states. [2018-01-31 08:32:58,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:32:58,626 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-01-31 08:32:58,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 08:32:58,627 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2018-01-31 08:32:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:32:58,627 INFO L225 Difference]: With dead ends: 43 [2018-01-31 08:32:58,627 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 08:32:58,628 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-31 08:32:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 08:32:58,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 08:32:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 08:32:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 08:32:58,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-01-31 08:32:58,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:32:58,629 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 08:32:58,629 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 08:32:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 08:32:58,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 08:32:58,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 08:32:58,673 WARN L137 erpolLogProxyWrapper]: Already inconsistent. [2018-01-31 08:32:59,003 WARN L143 SmtUtils]: Spent 205ms on a formula simplification that was a NOOP. DAG size: 28 [2018-01-31 08:32:59,491 WARN L146 SmtUtils]: Spent 477ms on a formula simplification. DAG size of input: 49 DAG size of output 42 [2018-01-31 08:32:59,494 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,494 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,494 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 559) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:32:59,494 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 551) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point sumOfThirdBytesFINAL(lines 540 551) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point sumOfThirdBytesEXIT(lines 540 551) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-01-31 08:32:59,495 INFO L399 ceAbstractionStarter]: For program point sumOfThirdBytesErr1RequiresViolation(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point L545'''''(line 545) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point L545'''(lines 545 549) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point L545'''''''(lines 545 549) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L395 ceAbstractionStarter]: At program point L545''''''(lines 545 549) the Hoare annotation is: (let ((.cse0 (<= |sumOfThirdBytes_#in~array_size| sumOfThirdBytes_~array_size)) (.cse1 (<= 4 (select |#length| |sumOfThirdBytes_~#numbers.base|))) (.cse2 (exists ((v_main_~array_size~4_BEFORE_CALL_1 Int)) (and (= (select |#length| |sumOfThirdBytes_~#numbers.base|) (* 4 v_main_~array_size~4_BEFORE_CALL_1)) (<= sumOfThirdBytes_~array_size v_main_~array_size~4_BEFORE_CALL_1)))) (.cse3 (= 1 (select |#valid| |sumOfThirdBytes_~#numbers.base|))) (.cse4 (= |sumOfThirdBytes_~#numbers.offset| 0))) (or (not (= (select |#valid| |sumOfThirdBytes_#in~numbers.base|) 1)) (and .cse0 .cse1 (= 0 sumOfThirdBytes_~i~2) .cse2 .cse3 .cse4) (and (<= 1 sumOfThirdBytes_~i~2) .cse0 .cse1 .cse2 .cse3 .cse4) (not (exists ((v_main_~array_size~4_BEFORE_CALL_1 Int)) (and (= (select |#length| |sumOfThirdBytes_#in~numbers.base|) (* 4 v_main_~array_size~4_BEFORE_CALL_1)) (<= |sumOfThirdBytes_#in~array_size| v_main_~array_size~4_BEFORE_CALL_1)))) (not (= 0 |sumOfThirdBytes_#in~numbers.offset|)) (< (select |#length| |sumOfThirdBytes_#in~numbers.base|) 4))) [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point sumOfThirdBytesErr0RequiresViolation(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L402 ceAbstractionStarter]: At program point sumOfThirdBytesENTRY(lines 540 551) the Hoare annotation is: true [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point L545'(lines 545 549) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L399 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-01-31 08:32:59,496 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 559) the Hoare annotation is: true [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 559) the Hoare annotation is: true [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 559) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 552 559) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point L554(lines 554 556) no Hoare annotation was computed. [2018-01-31 08:32:59,497 INFO L395 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (* 4 main_~array_size~4))) (and (<= 1 main_~array_size~4) (= 1 (select |#valid| |main_#t~malloc3.base|)) (= .cse0 (select |#length| |main_#t~malloc3.base|)) (= 1 (select |#valid| main_~numbers~4.base)) (= 0 |main_#t~malloc3.offset|) (= (store |#valid| |main_#t~malloc3.base| (select (store |#valid| |main_#t~malloc3.base| 0) |main_#t~malloc3.base|)) |old(#valid)|) (= 0 main_~numbers~4.offset) (= .cse0 (select |#length| main_~numbers~4.base)))) [2018-01-31 08:32:59,497 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 552 559) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 552 559) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point L558'''(line 558) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point L558''(line 558) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point L554''(lines 554 556) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point L558'(line 558) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-01-31 08:32:59,498 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 552 559) no Hoare annotation was computed. [2018-01-31 08:32:59,509 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,510 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,511 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,519 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,519 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,519 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,521 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,522 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,522 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,522 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,523 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,523 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,528 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,528 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,533 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,534 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,534 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,534 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,535 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,535 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,535 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:32:59 BoogieIcfgContainer [2018-01-31 08:32:59,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:32:59,539 INFO L168 Benchmark]: Toolchain (without parser) took 8199.26 ms. Allocated memory was 309.3 MB in the beginning and 498.6 MB in the end (delta: 189.3 MB). Free memory was 266.1 MB in the beginning and 403.1 MB in the end (delta: -137.1 MB). Peak memory consumption was 52.2 MB. Max. memory is 5.3 GB. [2018-01-31 08:32:59,541 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 309.3 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:32:59,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.20 ms. Allocated memory is still 309.3 MB. Free memory was 266.1 MB in the beginning and 256.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:32:59,541 INFO L168 Benchmark]: Boogie Preprocessor took 43.04 ms. Allocated memory is still 309.3 MB. Free memory was 256.1 MB in the beginning and 254.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:32:59,542 INFO L168 Benchmark]: RCFGBuilder took 456.23 ms. Allocated memory is still 309.3 MB. Free memory was 254.1 MB in the beginning and 239.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:32:59,542 INFO L168 Benchmark]: TraceAbstraction took 7409.92 ms. Allocated memory was 309.3 MB in the beginning and 498.6 MB in the end (delta: 189.3 MB). Free memory was 237.1 MB in the beginning and 403.1 MB in the end (delta: -166.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-01-31 08:32:59,543 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 309.3 MB. Free memory is still 272.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 279.20 ms. Allocated memory is still 309.3 MB. Free memory was 266.1 MB in the beginning and 256.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.04 ms. Allocated memory is still 309.3 MB. Free memory was 256.1 MB in the beginning and 254.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 456.23 ms. Allocated memory is still 309.3 MB. Free memory was 254.1 MB in the beginning and 239.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 7409.92 ms. Allocated memory was 309.3 MB in the beginning and 498.6 MB in the end (delta: 189.3 MB). Free memory was 237.1 MB in the beginning and 403.1 MB in the end (delta: -166.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] * 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 - PositiveResult [Line: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-01-31 08:32:59,549 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,550 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,550 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,550 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,550 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,551 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,552 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,554 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,554 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,554 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,554 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,555 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,555 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~4_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:32:59,555 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,555 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:32:59,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((!(\valid[numbers] == 1) || (((((\old(array_size) <= array_size && 4 <= unknown-#length-unknown[numbers]) && 0 == i) && (\exists v_main_~array_size~4_BEFORE_CALL_1 : int :: unknown-#length-unknown[numbers] == 4 * v_main_~array_size~4_BEFORE_CALL_1 && array_size <= v_main_~array_size~4_BEFORE_CALL_1)) && 1 == \valid[numbers]) && numbers == 0)) || (((((1 <= i && \old(array_size) <= array_size) && 4 <= unknown-#length-unknown[numbers]) && (\exists v_main_~array_size~4_BEFORE_CALL_1 : int :: unknown-#length-unknown[numbers] == 4 * v_main_~array_size~4_BEFORE_CALL_1 && array_size <= v_main_~array_size~4_BEFORE_CALL_1)) && 1 == \valid[numbers]) && numbers == 0)) || !(\exists v_main_~array_size~4_BEFORE_CALL_1 : int :: unknown-#length-unknown[numbers] == 4 * v_main_~array_size~4_BEFORE_CALL_1 && \old(array_size) <= v_main_~array_size~4_BEFORE_CALL_1)) || !(0 == numbers)) || unknown-#length-unknown[numbers] < 4 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 3 error locations. SAFE Result, 7.3s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 189 SDtfs, 336 SDslu, 796 SDs, 0 SdLazy, 486 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, 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, 38 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 148 HoareAnnotationTreeSize, 7 FomulaSimplifications, 245 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 22 QuantifiedInterpolants, 37900 SizeOfPredicates, 11 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/12 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/stroeder1-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_08-32-59-562.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder1-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_08-32-59-562.csv Received shutdown request...