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_RubberTaipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 12:56:45,594 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 12:56:45,596 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 12:56:45,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 12:56:45,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 12:56:45,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 12:56:45,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 12:56:45,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 12:56:45,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 12:56:45,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 12:56:45,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 12:56:45,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 12:56:45,619 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 12:56:45,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 12:56:45,621 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 12:56:45,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 12:56:45,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 12:56:45,628 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 12:56:45,629 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 12:56:45,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 12:56:45,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 12:56:45,633 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 12:56:45,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 12:56:45,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 12:56:45,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 12:56:45,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 12:56:45,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 12:56:45,638 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 12:56:45,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 12:56:45,638 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 12:56:45,639 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 12:56:45,639 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf [2018-01-24 12:56:45,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 12:56:45,648 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 12:56:45,649 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 12:56:45,649 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 12:56:45,649 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 12:56:45,649 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 12:56:45,649 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 12:56:45,650 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 12:56:45,650 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 12:56:45,650 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 12:56:45,650 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 12:56:45,650 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 12:56:45,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 12:56:45,651 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 12:56:45,651 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 12:56:45,651 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 12:56:45,651 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 12:56:45,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 12:56:45,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 12:56:45,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 12:56:45,652 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 12:56:45,652 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 12:56:45,652 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 12:56:45,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 12:56:45,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 12:56:45,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 12:56:45,654 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 12:56:45,654 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 12:56:45,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 12:56:45,697 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 12:56:45,700 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 12:56:45,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 12:56:45,701 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 12:56:45,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-01-24 12:56:45,898 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 12:56:45,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 12:56:45,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 12:56:45,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 12:56:45,908 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 12:56:45,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 12:56:45" (1/1) ... [2018-01-24 12:56:45,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d63a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:45, skipping insertion in model container [2018-01-24 12:56:45,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 12:56:45" (1/1) ... [2018-01-24 12:56:45,926 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 12:56:45,964 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 12:56:46,080 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 12:56:46,098 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 12:56:46,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46 WrapperNode [2018-01-24 12:56:46,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 12:56:46,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 12:56:46,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 12:56:46,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 12:56:46,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (1/1) ... [2018-01-24 12:56:46,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 12:56:46,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 12:56:46,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 12:56:46,144 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 12:56:46,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (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 [2018-01-24 12:56:46,192 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 12:56:46,192 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 12:56:46,192 INFO L136 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-01-24 12:56:46,192 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 12:56:46,192 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 12:56:46,192 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 12:56:46,193 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 12:56:46,365 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 12:56:46,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:56:46 BoogieIcfgContainer [2018-01-24 12:56:46,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 12:56:46,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 12:56:46,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 12:56:46,368 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 12:56:46,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 12:56:45" (1/3) ... [2018-01-24 12:56:46,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a89aace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 12:56:46, skipping insertion in model container [2018-01-24 12:56:46,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 12:56:46" (2/3) ... [2018-01-24 12:56:46,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a89aace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 12:56:46, skipping insertion in model container [2018-01-24 12:56:46,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 12:56:46" (3/3) ... [2018-01-24 12:56:46,371 INFO L105 eAbstractionObserver]: Analyzing ICFG stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-01-24 12:56:46,378 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 12:56:46,384 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-01-24 12:56:46,425 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 12:56:46,425 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 12:56:46,425 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 12:56:46,426 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 12:56:46,426 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 12:56:46,426 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 12:56:46,426 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 12:56:46,426 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 12:56:46,427 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 12:56:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-01-24 12:56:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 12:56:46,455 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 12:56:46,456 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 12:56:46,456 INFO L371 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 12:56:46,460 INFO L82 PathProgramCache]: Analyzing trace with hash -55325045, now seen corresponding path program 1 times [2018-01-24 12:56:46,463 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 12:56:46,510 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:46,510 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:46,511 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:46,511 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 12:56:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:46,570 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 12:56:46,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:46,758 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 12:56:46,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 12:56:46,759 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 12:56:46,762 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 12:56:46,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 12:56:46,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-24 12:56:46,779 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 7 states. [2018-01-24 12:56:47,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 12:56:47,065 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions. [2018-01-24 12:56:47,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 12:56:47,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-01-24 12:56:47,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 12:56:47,079 INFO L225 Difference]: With dead ends: 67 [2018-01-24 12:56:47,079 INFO L226 Difference]: Without dead ends: 37 [2018-01-24 12:56:47,083 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-01-24 12:56:47,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-24 12:56:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2018-01-24 12:56:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-01-24 12:56:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-01-24 12:56:47,118 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15 [2018-01-24 12:56:47,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 12:56:47,118 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-01-24 12:56:47,118 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 12:56:47,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-01-24 12:56:47,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 12:56:47,119 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 12:56:47,119 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 12:56:47,120 INFO L371 AbstractCegarLoop]: === Iteration 2 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 12:56:47,120 INFO L82 PathProgramCache]: Analyzing trace with hash -55325044, now seen corresponding path program 1 times [2018-01-24 12:56:47,120 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 12:56:47,121 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:47,121 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:47,121 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:47,121 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 12:56:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:47,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 12:56:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:47,290 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 12:56:47,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 12:56:47,290 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 12:56:47,292 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 12:56:47,292 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 12:56:47,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-24 12:56:47,293 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 7 states. [2018-01-24 12:56:47,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 12:56:47,535 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2018-01-24 12:56:47,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 12:56:47,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-01-24 12:56:47,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 12:56:47,537 INFO L225 Difference]: With dead ends: 53 [2018-01-24 12:56:47,537 INFO L226 Difference]: Without dead ends: 50 [2018-01-24 12:56:47,538 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-01-24 12:56:47,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-01-24 12:56:47,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2018-01-24 12:56:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-24 12:56:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-01-24 12:56:47,548 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 15 [2018-01-24 12:56:47,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 12:56:47,548 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-01-24 12:56:47,549 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 12:56:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-01-24 12:56:47,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 12:56:47,550 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 12:56:47,550 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 12:56:47,550 INFO L371 AbstractCegarLoop]: === Iteration 3 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 12:56:47,550 INFO L82 PathProgramCache]: Analyzing trace with hash -195737667, now seen corresponding path program 1 times [2018-01-24 12:56:47,550 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 12:56:47,551 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:47,552 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:47,552 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:47,552 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 12:56:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:47,566 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 12:56:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:47,656 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 12:56:47,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 12:56:47,656 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 12:56:47,657 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 12:56:47,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 12:56:47,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 12:56:47,657 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 5 states. [2018-01-24 12:56:47,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 12:56:47,688 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-01-24 12:56:47,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 12:56:47,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-01-24 12:56:47,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 12:56:47,690 INFO L225 Difference]: With dead ends: 50 [2018-01-24 12:56:47,690 INFO L226 Difference]: Without dead ends: 42 [2018-01-24 12:56:47,690 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 12:56:47,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-01-24 12:56:47,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2018-01-24 12:56:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-24 12:56:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-01-24 12:56:47,698 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 20 [2018-01-24 12:56:47,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 12:56:47,699 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-01-24 12:56:47,699 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 12:56:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-01-24 12:56:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-24 12:56:47,700 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 12:56:47,700 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 12:56:47,700 INFO L371 AbstractCegarLoop]: === Iteration 4 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 12:56:47,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1506152513, now seen corresponding path program 1 times [2018-01-24 12:56:47,701 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 12:56:47,702 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:47,702 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:47,702 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:47,702 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 12:56:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:47,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 12:56:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:47,841 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 12:56:47,841 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-01-24 12:56:47,846 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:47,847 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 12:56:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:47,869 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 12:56:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:47,925 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 12:56:47,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:47,995 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-01-24 12:56:47,996 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [10] total 15 [2018-01-24 12:56:47,996 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 12:56:47,996 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 12:56:47,996 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 12:56:47,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-01-24 12:56:47,996 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 6 states. [2018-01-24 12:56:48,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 12:56:48,040 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-01-24 12:56:48,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 12:56:48,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-01-24 12:56:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 12:56:48,043 INFO L225 Difference]: With dead ends: 86 [2018-01-24 12:56:48,043 INFO L226 Difference]: Without dead ends: 65 [2018-01-24 12:56:48,043 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2018-01-24 12:56:48,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-01-24 12:56:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2018-01-24 12:56:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-01-24 12:56:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-01-24 12:56:48,054 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 21 [2018-01-24 12:56:48,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 12:56:48,054 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-01-24 12:56:48,054 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 12:56:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-01-24 12:56:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-24 12:56:48,056 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 12:56:48,056 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 12:56:48,056 INFO L371 AbstractCegarLoop]: === Iteration 5 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 12:56:48,056 INFO L82 PathProgramCache]: Analyzing trace with hash 226288835, now seen corresponding path program 1 times [2018-01-24 12:56:48,056 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 12:56:48,057 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:48,057 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:48,058 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:48,058 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 12:56:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:48,072 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 12:56:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:48,239 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 12:56:48,239 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2018-01-24 12:56:48,252 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:48,252 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 12:56:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:48,274 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 12:56:48,301 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 [2018-01-24 12:56:48,302 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 12:56:48,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 12:56:48,307 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 12:56:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:48,640 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 12:56:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:48,934 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 12:56:48,934 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 12:56:48,939 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:48,939 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 12:56:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:48,965 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 12:56:48,969 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 [2018-01-24 12:56:48,969 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 12:56:48,979 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 12:56:48,979 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 12:56:49,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:49,012 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 12:56:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 12:56:49,072 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 12:56:49,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7, 7, 7] total 19 [2018-01-24 12:56:49,072 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 12:56:49,073 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-01-24 12:56:49,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-01-24 12:56:49,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=316, Unknown=1, NotChecked=0, Total=380 [2018-01-24 12:56:49,074 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 14 states. [2018-01-24 12:56:49,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 12:56:49,392 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-01-24 12:56:49,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-24 12:56:49,392 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2018-01-24 12:56:49,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 12:56:49,393 INFO L225 Difference]: With dead ends: 66 [2018-01-24 12:56:49,393 INFO L226 Difference]: Without dead ends: 63 [2018-01-24 12:56:49,394 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 69 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=125, Invalid=474, Unknown=1, NotChecked=0, Total=600 [2018-01-24 12:56:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-01-24 12:56:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2018-01-24 12:56:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-01-24 12:56:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-01-24 12:56:49,404 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 21 [2018-01-24 12:56:49,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 12:56:49,404 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-01-24 12:56:49,404 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-01-24 12:56:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-01-24 12:56:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 12:56:49,405 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 12:56:49,406 INFO L322 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] [2018-01-24 12:56:49,406 INFO L371 AbstractCegarLoop]: === Iteration 6 === [sumOfThirdBytesErr1RequiresViolation, sumOfThirdBytesErr4RequiresViolation, sumOfThirdBytesErr5RequiresViolation, sumOfThirdBytesErr0RequiresViolation, sumOfThirdBytesErr3RequiresViolation, sumOfThirdBytesErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 12:56:49,406 INFO L82 PathProgramCache]: Analyzing trace with hash 308334376, now seen corresponding path program 1 times [2018-01-24 12:56:49,406 INFO L67 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-01-24 12:56:49,407 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:49,407 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 12:56:49,408 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 12:56:49,408 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 12:56:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 12:56:49,422 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 12:56:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 12:56:49,467 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 12:56:49,467 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 12:56:49,467 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 12:56:49,467 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 12:56:49,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 12:56:49,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 12:56:49,468 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 4 states. [2018-01-24 12:56:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 12:56:49,584 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-01-24 12:56:49,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 12:56:49,585 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-24 12:56:49,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 12:56:49,585 INFO L225 Difference]: With dead ends: 50 [2018-01-24 12:56:49,585 INFO L226 Difference]: Without dead ends: 0 [2018-01-24 12:56:49,586 INFO L525 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 [2018-01-24 12:56:49,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-24 12:56:49,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-24 12:56:49,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-24 12:56:49,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-24 12:56:49,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-01-24 12:56:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 12:56:49,587 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-24 12:56:49,587 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 12:56:49,588 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-24 12:56:49,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-24 12:56:49,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-24 12:56:50,116 WARN L146 SmtUtils]: Spent 315ms on a formula simplification. DAG size of input: 74 DAG size of output 49 [2018-01-24 12:56:50,401 WARN L146 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 77 DAG size of output 65 [2018-01-24 12:56:50,404 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,404 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 562) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point L550'''(line 550) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point L545(lines 545 552) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesErr3RequiresViolation(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point L548(lines 548 551) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesFINAL(lines 540 554) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesErr2RequiresViolation(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point L545''''(lines 545 552) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesEXIT(lines 540 554) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-01-24 12:56:50,405 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesErr1RequiresViolation(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L397 ceAbstractionStarter]: At program point L545'''(lines 545 552) the Hoare annotation is: (let ((.cse0 (not (exists ((v_main_~array_size~5_BEFORE_CALL_2 Int)) (and (<= |sumOfThirdBytes_#in~array_size| v_main_~array_size~5_BEFORE_CALL_2) (= (* 4 v_main_~array_size~5_BEFORE_CALL_2) (select |#length| |sumOfThirdBytes_#in~numbers.base|)))))) (.cse1 (not (= (select |#valid| |sumOfThirdBytes_#in~numbers.base|) 1))) (.cse2 (not (= 0 |sumOfThirdBytes_#in~numbers.offset|)))) (and (or (<= sumOfThirdBytes_~array_size 1) .cse0 .cse1 (< 1 |sumOfThirdBytes_#in~array_size|) .cse2) (let ((.cse3 (exists ((v_main_~array_size~5_BEFORE_CALL_2 Int)) (and (= (* 4 v_main_~array_size~5_BEFORE_CALL_2) (select |#length| |sumOfThirdBytes_~#numbers.base|)) (<= sumOfThirdBytes_~array_size v_main_~array_size~5_BEFORE_CALL_2)))) (.cse4 (= 1 (select |#valid| |sumOfThirdBytes_~#numbers.base|))) (.cse5 (= |sumOfThirdBytes_~#numbers.offset| 0))) (or .cse0 .cse1 (and (<= 1 sumOfThirdBytes_~i~2) .cse3 (<= sumOfThirdBytes_~p~2.offset (+ |sumOfThirdBytes_~#numbers.offset| (* 4 sumOfThirdBytes_~i~2) 2)) .cse4 .cse5) .cse2 (and (<= |sumOfThirdBytes_#in~array_size| sumOfThirdBytes_~array_size) (= sumOfThirdBytes_~i~2 0) .cse3 .cse4 .cse5))))) [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesErr5RequiresViolation(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesErr0RequiresViolation(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L404 ceAbstractionStarter]: At program point sumOfThirdBytesENTRY(lines 540 554) the Hoare annotation is: true [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point sumOfThirdBytesErr4RequiresViolation(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point L545''(lines 545 552) no Hoare annotation was computed. [2018-01-24 12:56:50,406 INFO L397 ceAbstractionStarter]: At program point L548'''(lines 548 551) the Hoare annotation is: (let ((.cse0 (not (exists ((v_main_~array_size~5_BEFORE_CALL_2 Int)) (and (<= |sumOfThirdBytes_#in~array_size| v_main_~array_size~5_BEFORE_CALL_2) (= (* 4 v_main_~array_size~5_BEFORE_CALL_2) (select |#length| |sumOfThirdBytes_#in~numbers.base|)))))) (.cse1 (not (= (select |#valid| |sumOfThirdBytes_#in~numbers.base|) 1))) (.cse2 (= sumOfThirdBytes_~i~2 0)) (.cse3 (not (= 0 |sumOfThirdBytes_#in~numbers.offset|)))) (and (or .cse0 .cse1 (and .cse2 (<= sumOfThirdBytes_~array_size 1)) (< 1 |sumOfThirdBytes_#in~array_size|) .cse3) (or .cse0 .cse1 (let ((.cse4 (= 1 (select |#valid| sumOfThirdBytes_~p~2.base))) (.cse5 (exists ((v_main_~array_size~5_BEFORE_CALL_2 Int)) (and (= (* 4 v_main_~array_size~5_BEFORE_CALL_2) (select |#length| |sumOfThirdBytes_~#numbers.base|)) (<= sumOfThirdBytes_~array_size v_main_~array_size~5_BEFORE_CALL_2)))) (.cse6 (<= sumOfThirdBytes_~p~2.offset (+ |sumOfThirdBytes_~#numbers.offset| (* 4 sumOfThirdBytes_~i~2) 2))) (.cse7 (= 1 (select |#valid| |sumOfThirdBytes_~#numbers.base|))) (.cse8 (= |sumOfThirdBytes_~#numbers.offset| 0))) (or (and .cse4 .cse5 .cse6 .cse7 (exists ((v_main_~array_size~5_BEFORE_CALL_2 Int) (sumOfThirdBytes_~i~2 Int)) (and (<= 1 sumOfThirdBytes_~i~2) (<= (+ sumOfThirdBytes_~i~2 1) v_main_~array_size~5_BEFORE_CALL_2) (= (* 4 v_main_~array_size~5_BEFORE_CALL_2) (select |#length| sumOfThirdBytes_~p~2.base)) (= (+ (* 4 sumOfThirdBytes_~i~2) 2) sumOfThirdBytes_~p~2.offset))) .cse8) (and .cse4 .cse2 .cse5 (<= 2 sumOfThirdBytes_~p~2.offset) (<= (+ sumOfThirdBytes_~p~2.offset 2) (select |#length| sumOfThirdBytes_~p~2.base)) (<= |sumOfThirdBytes_#in~array_size| sumOfThirdBytes_~array_size) .cse6 .cse7 .cse8))) .cse3))) [2018-01-24 12:56:50,406 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 562) the Hoare annotation is: true [2018-01-24 12:56:50,406 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 562) the Hoare annotation is: true [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 562) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point L560'(line 560) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L397 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (* 4 main_~array_size~5))) (and (= .cse0 (select |#length| main_~numbers~5.base)) (= 0 main_~numbers~5.offset) (= 0 |main_#t~malloc6.offset|) (= 1 (select |#valid| main_~numbers~5.base)) (<= 1 main_~array_size~5) (= .cse0 (select |#length| |main_#t~malloc6.base|)) (= (store |#valid| |main_#t~malloc6.base| (select (store |#valid| |main_#t~malloc6.base| 0) |main_#t~malloc6.base|)) |old(#valid)|) (= 1 (select |#valid| |main_#t~malloc6.base|)))) [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point L557(lines 557 559) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 555 562) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 555 562) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 555 562) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point L560''(line 560) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point L557''(lines 557 559) no Hoare annotation was computed. [2018-01-24 12:56:50,407 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 555 562) no Hoare annotation was computed. [2018-01-24 12:56:50,414 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,415 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,415 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,415 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,415 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,416 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,416 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,416 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,417 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,418 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,418 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,418 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,423 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,424 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,425 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,425 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,425 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,425 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,426 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,427 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,431 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,431 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,431 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,432 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,432 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,432 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,433 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,433 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,433 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,433 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,433 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,434 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,434 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,434 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,435 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,435 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,435 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,436 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,436 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,438 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,439 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,439 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,439 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,440 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,440 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,440 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,440 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,441 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,441 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,441 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,441 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,442 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,442 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,442 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,443 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,443 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,443 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,443 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 12:56:50 BoogieIcfgContainer [2018-01-24 12:56:50,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 12:56:50,447 INFO L168 Benchmark]: Toolchain (without parser) took 4548.68 ms. Allocated memory was 306.2 MB in the beginning and 498.6 MB in the end (delta: 192.4 MB). Free memory was 266.1 MB in the beginning and 378.0 MB in the end (delta: -111.9 MB). Peak memory consumption was 80.5 MB. Max. memory is 5.3 GB. [2018-01-24 12:56:50,448 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 306.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 12:56:50,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.52 ms. Allocated memory is still 306.2 MB. Free memory was 265.1 MB in the beginning and 254.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-24 12:56:50,449 INFO L168 Benchmark]: Boogie Preprocessor took 36.61 ms. Allocated memory is still 306.2 MB. Free memory was 254.8 MB in the beginning and 253.8 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. [2018-01-24 12:56:50,449 INFO L168 Benchmark]: RCFGBuilder took 222.12 ms. Allocated memory is still 306.2 MB. Free memory was 253.8 MB in the beginning and 237.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 5.3 GB. [2018-01-24 12:56:50,450 INFO L168 Benchmark]: TraceAbstraction took 4080.01 ms. Allocated memory was 306.2 MB in the beginning and 498.6 MB in the end (delta: 192.4 MB). Free memory was 237.6 MB in the beginning and 378.0 MB in the end (delta: -140.4 MB). Peak memory consumption was 52.0 MB. Max. memory is 5.3 GB. [2018-01-24 12:56:50,451 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 306.2 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 203.52 ms. Allocated memory is still 306.2 MB. Free memory was 265.1 MB in the beginning and 254.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.61 ms. Allocated memory is still 306.2 MB. Free memory was 254.8 MB in the beginning and 253.8 MB in the end (delta: 996.3 kB). Peak memory consumption was 996.3 kB. Max. memory is 5.3 GB. * RCFGBuilder took 222.12 ms. Allocated memory is still 306.2 MB. Free memory was 253.8 MB in the beginning and 237.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4080.01 ms. Allocated memory was 306.2 MB in the beginning and 498.6 MB in the end (delta: 192.4 MB). Free memory was 237.6 MB in the beginning and 378.0 MB in the end (delta: -140.4 MB). Peak memory consumption was 52.0 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~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,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 - 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: 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: 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: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-01-24 12:56:50,457 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,457 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,459 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,459 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,459 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,459 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,460 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,460 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,461 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,461 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,462 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((array_size <= 1 || !(\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: \old(array_size) <= v_main_~array_size~5_BEFORE_CALL_2 && 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers])) || !(\valid[numbers] == 1)) || 1 < \old(array_size)) || !(0 == numbers)) && ((((!(\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: \old(array_size) <= v_main_~array_size~5_BEFORE_CALL_2 && 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers]) || !(\valid[numbers] == 1)) || ((((1 <= i && (\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && array_size <= v_main_~array_size~5_BEFORE_CALL_2)) && p <= numbers + 4 * i + 2) && 1 == \valid[numbers]) && numbers == 0)) || !(0 == numbers)) || ((((\old(array_size) <= array_size && i == 0) && (\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && array_size <= v_main_~array_size~5_BEFORE_CALL_2)) && 1 == \valid[numbers]) && numbers == 0)) - InvariantResult [Line: 548]: Loop Invariant [2018-01-24 12:56:50,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,465 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,466 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,467 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,468 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,468 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,469 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,469 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,469 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,469 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,471 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,471 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[sumOfThirdBytes_~i~2,QUANTIFIED] [2018-01-24 12:56:50,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~5_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 12:56:50,474 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,474 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 12:56:50,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((!(\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: \old(array_size) <= v_main_~array_size~5_BEFORE_CALL_2 && 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers]) || !(\valid[numbers] == 1)) || (i == 0 && array_size <= 1)) || 1 < \old(array_size)) || !(0 == numbers)) && (((!(\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: \old(array_size) <= v_main_~array_size~5_BEFORE_CALL_2 && 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers]) || !(\valid[numbers] == 1)) || (((((1 == \valid[p] && (\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && array_size <= v_main_~array_size~5_BEFORE_CALL_2)) && p <= numbers + 4 * i + 2) && 1 == \valid[numbers]) && (\exists v_main_~array_size~5_BEFORE_CALL_2 : int, sumOfThirdBytes_~i~2 : int :: ((1 <= sumOfThirdBytes_~i~2 && sumOfThirdBytes_~i~2 + 1 <= v_main_~array_size~5_BEFORE_CALL_2) && 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[p]) && 4 * sumOfThirdBytes_~i~2 + 2 == p)) && numbers == 0) || ((((((((1 == \valid[p] && i == 0) && (\exists v_main_~array_size~5_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~5_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && array_size <= v_main_~array_size~5_BEFORE_CALL_2)) && 2 <= p) && p + 2 <= unknown-#length-unknown[p]) && \old(array_size) <= array_size) && p <= numbers + 4 * i + 2) && 1 == \valid[numbers]) && numbers == 0)) || !(0 == numbers)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 38 locations, 7 error locations. SAFE Result, 3.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 262 SDslu, 484 SDs, 0 SdLazy, 334 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179 GetRequests, 111 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=4, 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 33 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 18 NumberOfFragments, 338 HoareAnnotationTreeSize, 11 FomulaSimplifications, 293 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 612 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 232 ConstructedInterpolants, 40 QuantifiedInterpolants, 40620 SizeOfPredicates, 25 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 18/34 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: 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/stroeder2-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_12-56-50-481.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/stroeder2-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_RubberTaipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_12-56-50-481.csv Received shutdown request...